BULLS Monster E FS Review

2018 Bulls Monster E Fs Electric Bike Review
2018 Bulls Monster E Fs
2018 Bulls Monster E Fs Bosch Performance Line Cx Motor With Chain Guide
2018 Bulls Monster E Fs Bosch Powerpack 500 Ebike Battery
2018 Bulls Monster E Fs Handlebar Ergon Grips Remote Lockout Lever
2018 Bulls Monster E Fs Bosch Purion Compact Ebike Display
2018 Bulls Monster E Fs Schwalbe Jumbo Jim Fat Bike Tires
2018 Bulls Monster E Fs Magura Mt5 Hydraulic 180 Disc Brakes
2018 Bulls Monster E Fs 11 Speed Shimano Deore Xt Shadow Plus
2018 Bulls Monster E Fs Rockshox Monarch Rt 120 Rear Suspension
2018 Bulls Monster E Fs 4 Amp Bosch Ebike Charger
2018 Bulls Monster E Fs Electric Bike Review
2018 Bulls Monster E Fs
2018 Bulls Monster E Fs Bosch Performance Line Cx Motor With Chain Guide
2018 Bulls Monster E Fs Bosch Powerpack 500 Ebike Battery
2018 Bulls Monster E Fs Handlebar Ergon Grips Remote Lockout Lever
2018 Bulls Monster E Fs Bosch Purion Compact Ebike Display
2018 Bulls Monster E Fs Schwalbe Jumbo Jim Fat Bike Tires
2018 Bulls Monster E Fs Magura Mt5 Hydraulic 180 Disc Brakes
2018 Bulls Monster E Fs 11 Speed Shimano Deore Xt Shadow Plus
2018 Bulls Monster E Fs Rockshox Monarch Rt 120 Rear Suspension
2018 Bulls Monster E Fs 4 Amp Bosch Ebike Charger

Summary

  • Top of the line, full suspension, fat tire electric trail bike with RockShock Bluto and Monarch air, remote lockout for the fork, 11-speed Shimano Deore XT drivetrain with Shadow Plus clutch, robust skid plate and alloy drivetrain guides
  • High-torque Bosch Performance Line CX motor with eMTB drive mode, sand and snow capable if you lower the PSI on the Schwalbe Jumbo Jim tires, premium Magura MT5 hydraulic disc brakes with adjustable-reach levers
  • Relatively lightweight and well balanced, available in two frame sizes for improved fit, high-capacity 500 watt hour battery pack with 4-amp quick charger can be filled on or off the frame, ABUS battery core can be keyed-alike to locks
  • Basic pedals are easily bent and don't offer much surface area, no kickstand and no provisions to add one yourself aftermarket, Bosch Purion display is more basic and not removable, CX motor is louder and more power hungry

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Video Review

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Introduction

Make:

BULLS

Model:

Monster E FS

Price:

$5,499

Body Position:

Forward

Suggested Use:

Trail, Mountain, Sand and Snow

Electric Bike Class:

Pedal Assist (Class 1)
Learn more about Ebike classes

Warranty:

2 Years Motor and Battery, 5 Years Frame

Availability:

United States, Canada

Model Year:

2018

Bicycle Details

Total Weight:

55.8 lbs (25.31 kg)

Battery Weight:

5.7 lbs (2.58 kg)

Motor Weight:

8.8 lbs (3.99 kg)

Frame Material:

7005 Aluminium

Frame Sizes:

18.11 in (45.99 cm)20.08 in (51 cm)

Geometry Measurements:

Medium 46 cm Measurements: 18.25" Seat Tube, 22.5" Reach, 29.5" Stand Over Height, 29.25" Width, 75.5" Length

Frame Types:

High-Step

Frame Colors:

Matte Black with Gloss Black and Silver Accents

Frame Fork Details:

Rock Shox Bluto RL Solo Air Suspension, 120 mm Travel, Remote Lockout, Rebound Adjust, 142 mm Hub Spacing, 15 mm Thru-Axle with Quick Release

Frame Rear Details:

RockShox Monarch RT High Volume Air Suspension, 120 mm Travel, Lockout, Rebound Adjust, 177 mm Hub Spacing, 12 mm Thru-Axle with Quick Release

Gearing Details:

11 Speed 1x11 Shimano Deore XT with Shadow Plus One-Way Clutch, CS-M8000-11 11-40 Tooth Casette

Shifter Details:

Shimano XT SL-M8000 Two-Way Triggers on Right

Cranks:

FSA, Alloy, 170 mm Length, 15 Tooth Chainring with Alloy Guard

Pedals:

Wellgo C288DU Alloy Platform, Cage Style

Headset:

Chin Haur, Sealed Cartridge, Threadless, Internal Cups, 1-1/8" to 1-1/2" Tapered

Stem:

Bulls, Alloy, 80 mm to 90 mm Length, 7-Degree Rise, 31.8 mm Clamp Diameter

Handlebar:

Bulls Branded, Alloy, Low-Rise, 720 mm Length, 25 mm Rise, 9-Degree Bend

Brake Details:

Magura MT5 Hydraulic Disc with 180 mm Rotors, MT-5 Four Piston Front Caliper MT-4 Two Piston Rear Caliper, Magura MT4 Levers with Adjustable Reach

Grips:

Ergon GA30, Flat Rubber, Locking, Black

Saddle:

Selle Royale Seta M1

Seat Post:

Bull Branded, Alloy

Seat Post Length:

350 mm

Seat Post Diameter:

30.9 mm

Rims:

Alloy, Single Wall, Punched Out Circular Holes, 32 Hole, 80 mm Width

Spokes:

Stainless Steel, 13 Gauge, Black

Tire Brand:

Schwalbe Jumbo Jim, 26" x 4" (100-559)

Wheel Sizes:

26 in (66.04cm)

Tire Details:

5 to 30 PSI, 0.4 to 2.0 BAR, Pace Star 3, Tubeless Easy Snakeskin, EVO Evolution

Tube Details:

Presta Valve

Accessories:

Sticker Slap Guard, Chain Tensioner with Narrow Wide Teeth, Alloy Skid Plate

Other:

Locking Removable Mid-Mounted Battery Pack, 1.7b lb 4 Amp Charger, Maximum 120 RPM Motor Support, ABUS Locking Core and Keys

Electronic Details

Motor Brand:

Bosch Performance Line CX

Motor Type:

Mid-Mounted Geared Motor
Learn more about Ebike motors

Motor Nominal Output:

350 watts

Motor Peak Output:

570 watts

Motor Torque:

75 Newton meters

Battery Voltage:

36 volts

Battery Amp Hours:

13.4 ah

Battery Watt Hours:

482.4 wh

Battery Chemistry:

Lithium-ion

Charge Time:

4.5 hours

Estimated Min Range:

25 miles (40 km)

Estimated Max Range:

70 miles (113 km)

Display Type:

Bosch Purion, Fixed, Backlit LCD Control Panel with Integrated Button Pad, (Hold - to Cycle Through Readouts, Hold - and Press Power to Change Units)

Readouts:

Speed, Assist Level (Eco, Tour, Sport, Turbo), Battery Level (1-5), Trip Distance, Total Distance, Estimated Range, Lights

Display Accessories:

Micro-USB Port for Diagnostics and Software Updates Only

Drive Mode:

Advanced Pedal Assist (Measures Wheel Speed, Pedal Cadence and Pedal Torque, Power Output Relative to Pedal Input: Eco 50% 40 Nm, Tour 120% 50 Nm, eMTB 120% - 300% 75 Nm, Turbo 300% 75 Nm)

Top Speed:

20 mph (32 kph)

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Written Review

The Monster E FS is one of the only full suspension, fat tire, electric trail bikes I have ever seen… aside from the Haibike SDURO Full FatSix, which uses a Yamaha mid-drive vs. Bosch. For the additional $300 here, you get a motor system with shift detection, higher RPM support (up to 120 pedal strokes per minute), and eMTB drive mode. It’s a product that hasn’t changed much since 2017, aside from using a different, more compact, display panel and moving towards an all-black paint job. This electric bike comes in two frame sizes, which is very impressive given the niche it fills, and I found it to be nimble and trail capable with 4″ wide tires vs. some of the heavier and slower 4.6″ and 4.9″ tires now rolling onto the scene. It’s a Class 1 product with a top assisted speed of 20 mph, so as to be legal on more mountain biking trails, but it’s also well-suited to sand and snow if you lower the tire pressure. One thing I really love about fat tire bicycles is how stable and comfortable they can be. With punched out rims to reduce weight, highly adjustable air suspension, and a sloping top tube, it’s practical and comfortable to mount. BULLS Couldn’t go quite as steep with their top tube because the Bosch Powerpack battery inserts down vs. from the side, and they didn’t have room for bottle cage bosses in this are either, but the split-pivot swing arm in the rear is designed to isolate lateral movement so the chain won’t buck or slip when the going gets bumpy. I really love the drivetrain on this electric bike because it’s a simpler, lighter, 1×11 setup than having multiple sprockets up front. When you combine the higher-end Shimano Deore XT derailleur with the Shadow Plus clutch, alloy chainring guard and surrounding guide-pully system above, it almost completely prevents chain drops as well as chain suck from below. Chain suck can sometimes be an issue with the smaller proprietary Bosch chainring in muddy environments when the chain isn’t as tight and there’s no riser pully… but it shouldn’t be an issue here. This is a purpose-built frame with excellent weight distribution, responsive power delivery, and plenty of braking power. If you’re actually going to ride in the snow, be sure to lower the tire PSI to ~5 (and consider converting the tires to tubeless), the flat grips will provide plenty of room for padded gloves and the adjustable-reach brake levers will be easier to grab and activate. This thing is not a novelty, it’s very capable and complete in my view. The only drawbacks are a higher price point, a somewhat limited display panel, a more exposed battery pack (compared to the new Powertube 500 from Bosch), limited cargo storage options, basic pedals, and no kickstand support.

Driving this beast is an internally geared mid-motor specifically designed for mountain biking applications. It’s the zippiest, most powerful, and heaviest Bosch ebike motor on the market, and it’s called the CX. Delivering up to 75 Newton meters of peak torque, it relies on three primary signals from the motor controller in order to activate. The system listens for rear wheel speed with a traditional magnet sensor on one of the spokes, pedal cadence, and pedal torque, over one-thousand times per second. Bosch designs sensors for all sorts of automotive equipment and smartphones like the iPhone, so the sensing technology here is something that really differentiates them. Even though this electric bicycle does not have a throttle, the higher levels of assist are so quick and fluid that it can almost feel like a throttle when starting out. As someone with knee sensitivity, I have come to appreciate this response when mountain biking because of my sensitive knee. This sort of performance does come at a price however, the battery will drain faster and there’s some electronic whirring noise that is demonstrated in the video review above. This motor weighs almost nine pounds, but at least the weight is positioned as low and centrally as it can be, and BULLS has designed an alloy skid plate to protect it from below. On the right side, a small 15 tooth sprocket spins 2.5 times for each crank arm revolution vs. using a one-to-one chainring. I have been told that this provides better chain grab and I suspect it allows for a greater mechanical advantage and more responsive starts and stops. When you’re navigating varied terrain, predictability is important. The responsive motor performance is balanced by large 180 mm hydraulic disc brakes from Magura with quad-piston front calipers that offer increased surface area for cooling and smoother stops. Coming back down to the bottom bracket, I appreciate the little alloy chainring cover, which will help pants slough away from the chain vs. getting greasy or snagged, and the chain guide riser pulley wheel that will keep it on track and clear debris. I feel like the drivetrain on this electric bike performs well and will withstand the rigors of different environments.

Powering the 2018 Monster E FS is a Bosch Powerpack 500. This is one of the lightest weight, high-capacity, electric bike batteries I have reviewed, and it’s also one of the most widely available. In addition to using the same case design and mounting interface as the older Powerpack 400 (which can also be used on this bike), it is backed by a two-year 1,000 cycle warranty and can be found at ebike shops all over the world. What this means is that you’ll be able to find a replacement more easily, or perhaps a second pack to extend or rides, or maybe rent or borrow a pack when traveling. Since high-capacity Lithium-ion batteries aren’t allowed on commercial flights, this could enable you to adventure to more places with YOUR bike vs. having to rent one on location. Compared to the new Powertube design, which is integrated into the downtube vs. attached on top of it, the Powerpack is more than a pound lighter (when you take into account the shielding below the Powertube), easier to remove for charing off-bike, and safer to carry around using the integrated loop handle. Since this is a heavier bike with big tires that produce more drag, suspension that can bob some of your pedaling efficiency away, and a power-hungry motor, it’s wonderful to have nearly half a kilowatt hour of capacity to burn through. And, refilling the pack is relatively quick with the included 4-Amp Bosch charger. Most electric bike chargers I have seen offer just 2-Amps of power flow and weigh at least 1.5 lbs. The Bosch charger weighs 1.7 lbs and is very compact. For those who need to reduce and save even more space, the company does offer a 1.1 lb 2-Amp travel charger. One of the main differences between the latest BULLS Monster and the 2017 version is that the display is smaller and does not have a Micro-USB power port. This could further extend the range of your battery, but it’s a trade-off with some consequences worth considering.

The display panel you get with the 2018 Monster is called Bosch Purion, and is mounted within reach of the left grip for easy reach while riding, without compromising your grip. It’s tough, relatively simple to use, and faintly backlit for easy use in darkness. Once the battery pack has been mounted and locked to the downtube (make sure you hear it click into place) just press the power button on the top edge of the Purion display and it will blink to life. The top area shows your speed in miles per hour or kilometers per hour (hold the minus key and tap power to switch between) and the bottom section shows your battery charge level. The charge indicator uses a 5-bar infographic with 20% jumps that leaves a bit to be desired in my opinion, but is relying more on amp hour flow vs. voltage to calculate, and thus does not bounce around as much as some less sophisticated products. A very similar 5-bar display is built into the Bosch Powerpack battery case, along the left side, and can be activated by pressing a little minus symbol button there. So, at least the two menus match and you can tell how full the pack is whether it’s mounted or not, but I would love to see Bosch move towards a battery percentage readout for more precision. In the center of the display, different trip menus can be accessed and explored by holding the minus button on the control pad. The main readout is assist level which includes Off, Eco, Trail, eMTB, and Turbo. Clicking plus or minus allows you to raise or lower support, and the eMTB mode is like a “do everything” mode that relies on pedal torque more than a set power band. It came in handy while test riding in sand and allowed me to focus and spend more attention and energy on balancing the bike and shifting gears. All Bosch CX motors get access to this eMTB setting, though older hardware may need a firmware update. It performs more consistently than actual strain sensors that I have tested, like the TMM4. So, the other menus in this center section are trip distance, total distance, and range. And you can access these by holding the minus key for a few seconds. Keep in mind, if you press plus or minus again, the readout will temporarily revert to assist level. Earlier, I complained about the 5-bar battery readout being less precise than it could be, but the range menu helps to make up for this. It’s one of the more advanced readouts that I have seen on any electric bike drive system and relies on the charge level, your last mile of ride performance, and the chosen level of assist to provide a very accurate estimate. Used thoughtfully, this menu will help you get there and back again without running out of juice… You might need to use lower levels of assist at times, but at least you’ll have the data to know when.

The Bulls Monster E Full Suspension electric fat bike is exciting, just looking at this thing gets my imagination going and it actually lives up to the visual presentation. The drivetrain is tough, the electronic systems are some of the most reliable and well-supported that I know of, and it offers enough power and precision to handle soft sand and snow. Super deep snow cannot be overcome by really any electric bike, this isn’t a snowmobile, but the added surface area and possibility for very low tire pressure gives you the best shot you can really ask for with a product like this. The motor kicks on so quickly, that it can feel like you have a throttle to work with, and that’s a deciding factor in soft terrain. While the 2018 model appeared to be 0.2 lbs heavier than 2017 and the display is smaller and not removable, many Bosch Certified dealers can help you upgrade to the larger Intuvia if you want. Many companies have switched to the smaller Purion to save money, look stealthier, and be tougher (especially on e-mountain bikes) but as a near-sighted rider, I like the intuvia, and it’s Micro-USB charging port to run my phone’s GPS. The punched out rims on this bike help to save weight and improve cushion, the chainring guard and pulley system will protect your snowpants, and the angled top tube will make mounting and stepping off into soft sand or snow a less painful experience for your crotch. And, the two frame size options really extend the experience here, for people of different sizes. I wish it had provisions to add a kickstand at the back end of the left chainstay, but I see why they didn’t include a stand stock… to reduce weight and rattling. Just be careful when laying this bike down, lay on the left side or lean against a wall by positioning the back tire against the wall with the bike angled out. Once you’ve had a fun ride and the bike is dry, use air pressure to dust it off or remove sand. After this, you can use a damp rag and some cleaning spray like this to wipe it down. The display, battery, and motor are all highly water resistant, but you wouldn’t want to submerge the bike or spray it hard with water. For reference, I reviewed the medium sized (smaller) frame which is 46 cm and have provided my own measurements in the stats section above. As always, I will do my best to answer comments below and you can connect directly with other owners and enthusiasts in the BULLS Ebike Forums. Big thanks to Bulls for partnering with me on this review and providing a couple of different models to compare, along with some staff to hang out with and go for a ride on the beach. It was an awesome experience, I have enjoyed watching them grow as a company over the past few years, and feel that their support and network of shops have done a great job providing a high level of customer service. One final note, you could add integrated lights to this system with the help of a shop and then hold the plus button on the display to turn them on/off and I love that they went with multi-shift triggers and a two-way high shifter to bring this up to the cross country and trail level. The rear suspension has a lockout lever and the front has a remote lockout so you can reduce bobbing and easily transition from hard packed to bumpy trail without hopping off.

Pros:

  • One of the only full suspension fat tire electric bikes I have seen, and it uses one of the best motor and battery systems available, Bosch CX with the Powerpack 500, and is available in two sizes for improved fit and ride comfort
  • The 2018 model has a more integrated color scheme, everything is black so the motor casing, battery box, and cables blend together
  • Schwalbe makes premium tires and these ones can be converted to tubeless to save weight and run at lower pressure, I love that the rims are punched out for weight savings and give
  • Premium drivetrain with eleven gears, a one-way clutch to keep the chain tight on rough terrain, an alloy chainring protector and sturdy alloy guide with narrow-wide sprocket so you should never struggle with drops, chain slip, or chain suck (which can sometimes happen in muddy conditions on the proprietary smaller Bosch chainrings)
  • Trail-ready 120 mm travel air suspension from RockShox with adjustable sag, rebound adjust, lockout, and remote lockout on the front, black anodized coating on the stanchions provides strength and improves sliding
  • The motor is positioned for maximum ground clearance but also has an alloy skid plate underneath for added protection if you have a rock strike
  • Both the motor and battery pack are positioned low and center on the frame, this improves handling, reduces unsprung weight compared to hub motors, and I feel that BULLS has done an excellent job blending both items into the tubing design of the frame so they look good
  • The cockpit is very clean and sturdy, you get locking Ergon grips and the compact Bosch Purion display panel, there’s plenty of room for the triggers and seat post dropper lever on the right and I like the low-rise bars for a more upright body position on cross country and trail terrain
  • Both wheels offer quick release, which combines with the removable battery to make this bike lighter and easier to transport, I always take the battery off when loading onto bike racks
  • The Powerpack 500 offers a lot of capacity in a compact, super lightweight package, the mount for this battery is backwards compatible with the older Powerpack 400 battery if you have one, I like that both packs have an integrated handle and can be found worldwide for easier renting or replacement
  • This Bosch charger is one lightest and fastest models around, offering 4 Amp output and weighing just 1.7 lbs, it doesn’t require any dongles to connect and charge the battery off or on the bike
  • The Bosch CX motor offers a lot of zip and torque, up to 75 Nm with nearly 570 watt max, it’s one of the most reliable mid-drive systems around and now features an eMTB mode with variable power output based on pedal torque… so you can leave the assist setting alone and focus on shifting gears and steering, this is particularly useful on soft terrain
  • It’s nice that Bulls designed this frame with a steeper top tube to lower stand over height because sometimes if you jump off into sand or snow, your feet could sink and you might rack yourself on a higher tube
  • These Ergon grips aren’t aren’t as thick as some of the other models, so you can wear gloves and still get a nice handle on them, the Magura brake levers offer adjustable reach which also suits gloves or people with longer/shorter fingers
  • Thru-axles on the front and rear wheels for maximum stiffness and strength, tapered head tube is also stronger and works with nicer forks like the Bluto here
  • The battery lock core is made by ABUS and comes with a code card so you can purchase locks “keyed-alike” and have fewer keys floating around causing confusion
  • Bosch designs all sorts of sensors and mechanical hardware for the automotive, home appliance, and tools categories and is one of the few companies to offer shift detection on their ebike motor systems, this is designed to protect the chain, cassette, and derailleur as you ride and shift gears and is especially relevant and useful with the high torque Performance Line motors like this
  • Walk-assist has been enabled on this ebike which means you can get help moving it forward if you get a flat tire or have to hop off on a particularly difficult or steep section of trail, just press the walk mode button at the base of the display and then hold the plus button when in any of the four levels of assist, switch gears to change walk speed

Cons:

  • The included pedals aren’t my favorite, they don’t offer as much surface area or durability as even cheap Wellgo pedals and you could upgrade to lightweight sealed magnesium platforms with adjustable pins without spending a lot, the stock pedals can get bent and become sharp over time when laying the bike on its side
  • There’s no kickstand included and I didn’t see provisions for adding one yourself aftermarket, this means the bike will always have to be leaned against walls or posts, so be careful with the disc brake rotor and derailleur on the rear portion of the bike because they are sensitive, always lean the bike onto its left side to protect the drivetrain
  • While the Bosch Purion display panel is less vulnerable, because it’s small, the screen isn’t as easy to read as the larger Bosch Purion and it isn’t removable, you get fewer menus and readouts and there’s no Micro USB port built in for charging (just for diagnostics), but some shops can help you upgrade to the Intuvia if you want it
  • Very few full suspension bikes come with front or rear racks, you could mount a seat post beam rack on this bike, but it could get bumped side to side, since there are no bottle cage bosses or other ways to easily transport gear, you might need a backpack or hydration pack
  • Since Bosch Performance Line motors use a smaller chainring and reduction gearing system to improve response time and chain retention, there is some friction when you pedal unpowered, the chainring spins 2.5x for each crank revolution but there is no drag when coasting
  • Since the seat tube has a bend halfway down, you cannot drop the seat post very far and might need to modify the post (by cutting with a hack saw and then sanding sharp edges) to get it to fit your leg length properly
  • The charging port for the battery (when mounted to the frame) is very close to the left crank arm and could get snagged or bent there… so be extra careful with the bike when charging, don’t walk it backwards because the cranks will turn
  • The Performance CX motor uses the most power and produces the most noise of any of Bosch’s current generation drive systems, thankfully the battery offers a lot of juice and the sound of those knobby tires mostly covers up the electronic whirring

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A Carbon fiber electric cross country mountain bike with premium components and ultra-integrated motor and battery system, excellent weight distribution. The Brose motor is quiet and responsive offering up to 90 Nm of torque output,…...

BULLS DAIL-E Grinder Review

  • MSRP: $5,799
  • MODEL YEAR: 2017, 2018

One of the first Gravel Grinder style electric bikes to make it to America! Made with premium components, high performance lights and a purpose built frame in three sizes. Capable of high speed 28 mph performance, the Bosch centerdrive motor measures bike speed, pedal…...

BULLS SIX50 E2 Street Review

  • MSRP: $3,899
  • MODEL YEAR: 2017, 2018

A fully equipped speed commuter capable of 28 mph operation, running on the proven Bosch Performance mid-drive motor and updated 500 watt hour Samsung battery. Extra large 203 mm hydraulic disc brakes offer smooth solid stops without requiring exorbitant hand…...

2017 BULLS Lacuba EVO E8 Review

  • MSRP: $3,999
  • MODEL YEAR: 2017

A versatile urban electric bike well suited to commuting, touring and trekking because of its efficient mid-drive motor and larger than average battery capacity, durable internal gearing and belt drive. Available in five frame sizes and three frame styles including wave, mid-step and high-step diamond…...

BULLS E-Stream EVO FS 3 27.5 Plus Review

  • MSRP: $4,699
  • MODEL YEAR: 2017, 2018

A stealthy full suspension all-mountain electric bike with longer travel 150 mm suspension, fully adjustable air fork by RockShox, color matched to frame. Larger 37 volt 17.5 amp hour battery pack to assist with steeper climbs and longer…...

2017 BULLS Monster E FS Review

  • MSRP: $5,299
  • MODEL YEAR: 2017

Full suspension fat bike with a high quality mid-drive motor from Bosch and their updated 500 watt hour battery pack for extended range. Cool fluorescent paint job that extends all the way through the fork, rear shock housing,…...

BULLS Lacuba EVO E45 Review

  • MSRP: $4,399
  • MODEL YEAR: 2017, 2018

Available in four frame sizes, two styles (high-step and mid-step) with an adjustable stem, active-comfort saddle and ergonomic grips, this bike can fit well and feel good at speed and over long distances. Capable of 28 mph top speeds, this is a Class 3 electric bike with an…...

BULLS E-Stream EVO FS 3 27.5 Review

  • MSRP: $4,699
  • MODEL YEAR: 2016

An all-mountain electric bike with beautifully integrated battery, motor and display... it blends in more than most other e-mountain bikes I've tested and runs quiet. Sturdy 15 mm thru axle in the front and 12 mm axle in the rear…...

BULLS SIX50 E FS 3 RSI Review

  • MSRP: $4,599
  • MODEL YEAR: 2016

A loaded full suspension mountain bike with premium electric drivetrain from Bosch offering 75 Nm of climbing torque with the CX motor and a 400 watt hour Samsung battery. RockShox air suspension with 120 mm travel front and rear for solid trail or all…...

BULLS Monster E S Review

  • MSRP: $4,299
  • MODEL YEAR: 2016, 2017

Premium hardtail electric fat bike with all the fixins, highlights include rear rack bosses, tubeless-ready tires and punched out rims, RockShox air fork with remote lockout and high torque Bosch CX motor. Quality 180 mm hydraulic disc brakes from Shimano for excellent stopping power and modulation, impressive…...

BULLS Outlaw E45 Review

  • MSRP: $3,999
  • MODEL YEAR: 2016

A sporty looking, fairly comfortable speed pedelec capable of ~28 mph top speeds, it's running on an optimized geared hub motor design with heat pipe technology for maximum performance. Unique mid-mount battery box fills the main frame triangle keeping weight low and centered while…...

BULLS Sturmvogel E EVO Review

  • MSRP: $3,699
  • MODEL YEAR: 2016

A beautifully designed urban electric bike painted white for visibility and modern appeal, white walled tires, reflective sidewall stripes, LED lights. Extra sturdy and durable thanks to a 15 mm thru-axle on the front wheel (with…...

BULLS TWENTY9 E FS 3 RSI Review

  • MSRP: $4,599
  • MODEL YEAR: 2016

A full suspension, Bosch powered, cross country style electric bike with efficient 29" wheels, it's available in three sizes for good fit and would feel taller and larger for riders with long legs but still fits some shorter riders given the angled top tube. Quick release for both wheels ads convenience for fixes and transporting the bike, I love…...

BULLS Cross Lite E Review

  • MSRP: $3,699
  • MODEL YEAR: 2016

Fully loaded urban electric bicycle with great accessories for commuting including an aluminum rear rack, full length fenders with mud flaps and integrated LED lights. Relatively light weight at under 50 lbs, this is due in part to the nicer…...

BULLS E-Stream EVO FS Enduro 27.5 Review

  • MSRP: $5,399
  • MODEL YEAR: 2016

An enduro style full suspension electric mountain bike with longer 160 mm suspension travel, seat post dropper, 27.5" wheelset and premium hydraulic brakes. Downtube-integrated battery pack is out of sight and keeps weight low and centered across the…...


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Test 2018
6 months ago

In the past all bike use tire to absorb the sock not shock absorber and nice foam butt chair

Christopher Moltisanti
7 months ago

I love it, $5000?, sure for 2 of them.

Ricky Lease
7 months ago

Court don’t look now but juiced bikes is coming out with a new bike and I’m not talking about the hyperfat

nestogonzo1
7 months ago

I had my first blow out on my new Rad City, bit it pretty hard. Should I get upgraded tires & inner tubes?

E3kTheCat
7 months ago

I was deciding between this bike and a car and I went with the car

Michael Klein
7 months ago

Liken it! This bike is surely on my wish list. Thanks for the vid Court.

David Keenan
7 months ago

Looks like a super quality bike. Class 1 . This looks better than my Rad Rover but is it $ 4K better ? Certainly would love to own one . Would consider if it was $3.500 . Great test ride video !!!

Gloria Brown
7 months ago

Too rich for my purse

Ted Kidd
7 months ago

That is a COOL bike!

Andreas Kämpe
7 months ago

Srsly a cool video! The rear suspension camera view was super awesome. Also good looking e-bike! I just got two weeks ago my Focus jam² with plus tires, loving it :)

ForbinColossus
7 months ago

Court, any idea as whether Fat Bike tires get *flats* more or less than regular mountain bike tires? I am curious about how fat tires do on potholes and ruts and streetcar tracks on gritty City streets like san francisco. It seems like they might do well rolling over obstacles - but that's not good enough if fat tires get flats easily...(I understand tube and tire replacements are more spendy on the fatties)

Larry Conger
7 months ago

I bought 4 different eMTBs, I love the eFatbike, yes, I would its different from my other rides, but I installed carbon handlebars Iodine 11 carbon Crankbrothers 780mm. switched out the pedals for titanium aluminum pedals, thinking about carbon rims when I save some more money though. I upgraded a lot of my components to make the ride more responsive and exhilarating for my liking lol I have three Bosch system so I can change out the batteries, which is why I got 4 eMTBs.

ForbinColossus
7 months ago

Larry, would you still buy that same model again or something else? (I'm shopping--so many choices) Thank you!

Larry Conger
7 months ago

ForbinColossus I switched my tubes to Maxxis Fatbike TR they have lasted all yr on the 2017 Monster E FS! Maxxis is by far the best brand of tire out there in my opinion

ElectricBikeReview.com
7 months ago

I haven't owned a fat tire bike long term so it's difficult to say for sure, but I have never gotten a flat on a demo (or seen them flat). They do span cracks and railroad tracks more easily and if you run them tubeless, the sealant inside helps to self-seal any small punctures from thorns. Here's a fat bike review in the city with some railroad tracks being crossed: https://electricbikereview.com/rad-power-bikes/2016-radmini/

Mark Elford
7 months ago

Those Pedals need the nickname -Shineaters- just like Eggbeaters. beautiful fat tire bike, all bases covered, just 2 expensive for me.

ElectricBikeReview.com
7 months ago

Ha! Yeah, most grippy pedals will chew your shins up if you give them the chance ;) and yeah, this is on the higher end of the price scale, but fun to see :D

T Charlton
7 months ago

That bike is a beast and another great review. Love the details.

T Charlton
7 months ago

Can't wait to learn more about the Stromer ST5 when details allow. Especially in the 22 inch frame.

ElectricBikeReview.com
7 months ago

Thanks! This was a fun one :D

Ddr Hazy
7 months ago

Another overpriced e-bike from a west/east coast vendor. Maybe these guys should move out of pricey areas of the country instead of trying to subsidize their lifestyle by overpricing their products.

Ddr Hazy
7 months ago

I'm not ripping on Court. He's reviewing the e-bike and there's no way he can say directly to the face of the vendors, "oh this e-bike is over priced" when making his videos. If he did that, nobody would invite him to check out new e-bikes. But I don't have that roadblock, I'll call them how I see them.

Jacy Bunting
7 months ago

Ddr Hazy PREACH🇺🇸!!

Larry Conger
7 months ago

Court is just stating the MRSP on these bike but im telling you if you learn to wheel and deal you can get these bikes for 3000, maybe not this particular one but several other options where they need to sell their older models off!

F r e e l e e
7 months ago

RIP OFF

Ddr Hazy
7 months ago

The electrical components of this bike are worth around $1500, but the problem is, they are overpriced for what you can get in comparison to a Chinese built motor. $4k for the bike itself is also overpriced. You can build something similar to this for $2k less. Bikes are not complicated devices. How are the vendors justifying the price for designing the electrical parts to mesh well with the existing frame? This is a rich kid's toy and instead of a being a practical purchase, it's just meant for hipster trustafarians to go cruising on Newport Beach.

revilozone
7 months ago

Why so much pedaling? Aren't these supposed to be electric?

ElectricBikeReview.com
7 months ago

Hi revilozone, this is a Class 1 electric bike which only offers pedal assist and is allowed on more mountain bike trails as a result. There are lots of Class 2 ebikes which do have twist or trigger throttles and you can filter for those using the advanced search engine back at the site: https://electricbikereview.com/ hope this helps!

Larry Conger
7 months ago

revilozone pedal assist motor, class one do some research.

james eagle
7 months ago

Ebikes will never complete with cars! Lower the prices!

Larry Conger
7 months ago

hey there buddy u can get end of the yr deals, try crazy lennys, or san diego fly rides they got great deals got to do some wheelin and dealin lol. bought 3 FS eMTBs for 3000 or less tax free and free shipping if you really want one! but i suggest you try one first, regular MTBs cost just as much and don't have a pedal assist motor!

james eagle
7 months ago

ElectricBikeReview.com I understand what your saying about how cheap ebikes are compared to cheap cars etc. but you can't really compare ebikes to cars, like comparing this $5000 bike to a supercar is absurd. A bike is just a bike with or without a motor! At these prices, people like me who are considered the middle class will just avoid this bike and buy a fair Honda Civic.

ElectricBikeReview.com
7 months ago

Most people cannot afford super cars, but there are lots of "Honda Civic" ebikes that are priced well and will hold up. Even some fat bikes! Here's a list of the more affordable products I have reviewed recently: https://electricbikereview.com/category/affordable/

james eagle
7 months ago

Martin Schmidt nah Bosch is too expensive, I'd rather have a hub drive and I would never buy a supercar!

Martin Schmidt
7 months ago

b b prices dropped and will drop more.Bosch mid drive is the Best you can buy. You want a Ferrari with the price Tag of an mustang. Not possible in Reality. :)

Doenjang Stew
7 months ago

Best wishes for a happy new 2018 year. I like it. it's perfect. but I only bought it in my imagination.

Jacy Bunting
7 months ago

Y2K is ALMOST 20 years ago!! Doenjang Stew and ElectricBikeReviews.com It's INSANE how much time has passed since that paranoid incident.

ElectricBikeReview.com
7 months ago

Thanks, you too! I'm excited for the new year... and yeah, this is a bit above my budget but would be very cool if I did a lot of sand or snow riding, it was comfortable and very well built

D Danilo
7 months ago

I don't see any "cheating" going on here...Bulls really seems to deliver a great value for every dollar spent! Five grand is a lot of money, but they're sure offering a lot of bike for that $$$.

ElectricBikeReview.com
7 months ago

I agree, great product here and they deliver a lot for the money, especially with two frame sizes

Larry Conger
7 months ago

D Danilo I bought this model the first year it came out for 4300, I love it

Larry Conger
7 months ago

Wait til the end of the year deals, you can get the ebikes for way less, but this bike is very popular, it’s a Bosch system FS eFatbike! I love mine

Larry Conger
7 months ago

ElectricBikeReview.com and the one I have has the intuvia Court, and if you don’t like the components just upgrade them like I did

ElectricBikeReview.com
7 months ago

Sweet! Glad you're enjoying it Larry. It's true that sometimes you can get a deal on last-year models and there's not much difference between the 2017 and 2018, as long as you don't mind the bright yellow. In any case, I'm glad you're enjoying yours!

kawikaphotography
7 months ago

$5500 to be able to ride in the sand faster than any cop or lifeguard will let you? Hmm, tough sell.

kawikaphotography
7 months ago

Hey Martin. I was more commenting on the speed needed to not dig in.

ElectricBikeReview.com
7 months ago

I did some riding in Mexico a couple of years back and had a lot of fun! It's legal in many places, and there are plenty of trails with soft Earth or sand on them too... like river trails

Martin Schmidt
7 months ago

kawikaphotography so you can drive the Full speed of a sportscar in america legally? ;)