BULLS SIX50+ E FS 3 Review

Bulls Six50 Plus E Fs 3 Electric Bike Review
Bulls Six50 Plus E Fs 3
Bulls Six50 Plus E Fs 3 Bosch Performance Line Cx Motor
Bulls Six50 Plus E Fs 3 Bosch Powerpack 500 Battery
Bulls Six50 Plus E Fs 3 Bosch Intuvia Display Ergo Grips
Bulls Six50 Plus E Fs 3 Schwalbe Rocket Ron Tires 650b Plus
Bulls Six50 Plus E Fs 3 Rockshox Yari Rc Air Suspension
Bulls Six50 Plus E Fs 3 Shimano Deore Shadow Xt Plus 11 Speed
Bulls Six50 Plus E Fs 3 Rock Shox Deluxe Rt Rear Suspension
Bulls Six50 Plus E Fs 3 Bosch Battery Charger
Bulls Six50 Plus E Fs 3 Electric Bike Review
Bulls Six50 Plus E Fs 3
Bulls Six50 Plus E Fs 3 Bosch Performance Line Cx Motor
Bulls Six50 Plus E Fs 3 Bosch Powerpack 500 Battery
Bulls Six50 Plus E Fs 3 Bosch Intuvia Display Ergo Grips
Bulls Six50 Plus E Fs 3 Schwalbe Rocket Ron Tires 650b Plus
Bulls Six50 Plus E Fs 3 Rockshox Yari Rc Air Suspension
Bulls Six50 Plus E Fs 3 Shimano Deore Shadow Xt Plus 11 Speed
Bulls Six50 Plus E Fs 3 Rock Shox Deluxe Rt Rear Suspension
Bulls Six50 Plus E Fs 3 Bosch Battery Charger

Summary

  • An all-mountain electric bike with plus sized tires for improved stability, traction and comfort, 150 mm air suspension with compression and rebound adjust
  • Battery and motor mount design are tighter than older Bosch systems, weight is kept low and center for balance, available in three frame sizes for improved fit
  • 1 x 11 drivetrain is light and clean, narrow-wide tooth pattern on the chainring compliments the Shadow+ derailleur tightening clutch to reduce bounce and drops
  • High capacity Powerpack 500 improves range, Bosch CX motor offers high torque for climbing, no bottle cage bosses, no seat post dropper, stickers vs. paint

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Video Review

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Introduction

Make:

BULLS

Model:

SIX50+ E FS 3

Price:

$4,699

Body Position:

Forward

Suggested Use:

Trail, Mountain

Electric Bike Class:

Pedal Assist (Class 1)
Learn more about Ebike classes

Warranty:

2 Years Motor and Battery, 5 Years Frame

Availability:

Europe, Canada, United States, Australia, New Zealand

Model Year:

20172018

Bicycle Details

Total Weight:

52.5 lbs (23.81 kg)

Battery Weight:

5.8 lbs (2.63 kg)

Motor Weight:

8.8 lbs (3.99 kg)

Frame Material:

7005 Aluminium Alloy

Frame Sizes:

16.1 in (40.89 cm)17.3 in (43.94 cm)19.3 in (49.02 cm)

Geometry Measurements:

30" Stand Over Height

Frame Types:

High-Step

Frame Colors:

Matte Black with Gloss Orange and Blue Accents

Frame Fork Details:

Rock Shox Yari RC 29/27.5+ Suspension, 150 mm Travel, Compression Adjust, Rebound Adjust, Boost 110 mm / 15 mm Thru Axle with Quick Release

Frame Rear Details:

Rock Shox Deluxe RT Suspension, 150 mm Travel, Rebound Adjust, Compression Adjust, Boost 148 mm / 12 mm Thru Axle with Quick Release

Gearing Details:

11 Speed 1x11 Shimano Deore XT Shadow Plus, 11-42

Shifter Details:

Shimano Deore XT DYNA-SYS11 Triggers on Right

Cranks:

SR Suntour Cranks, 175 mm Length, 15T Chainring with Alloy Bash Guard, Narrow Wide Teeth

Pedals:

Wellgo C128DU Alloy Platform, Cage Style

Headset:

Tapered 1-1/8" to 1-1/2"

Stem:

STYX Alloy, 7° Rise, 31.8 mm Bore, Lengths: (60 mm, 70 mm)

Handlebar:

STYX Alloy Low Rise, 740 mm Width, 25 mm Rise, 9° Bend, 31.8 mm Bore

Brake Details:

Magura MT5 Storm Hydraulic Disc with 180 mm Rotors, 4 Piston Front Caliper 2 Piston Rear Caliper, Magura MT5 Levers with Adjustable Reach

Grips:

Velo Rubber Ergonomic, Locking

Saddle:

Selle Royale, Active

Seat Post:

STYX Aluminum Alloy

Seat Post Length:

350 mm

Seat Post Diameter:

30.9 mm

Rims:

Bulls, Alloy, Double Wall, 35 mm Width, 32 Hole

Spokes:

Stainless Steel, 14 Gauge Front, 13 Gauge Rear, Black with Nipples

Tire Brand:

Schwalbe Rocket Ron, 27.5" x 2.8"

Wheel Sizes:

27.5 in (69.85cm)

Tire Details:

Performance, Folding, 17 to 38 PSI

Tube Details:

Presta Valve

Other:

Locking Removable Battery Pack with LED Charge Indicator, 1.7 lb 4 Amp Charger

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 Torque:

75 Newton meters

Battery Brand:

Samsung

Battery Voltage:

36 volts

Battery Amp Hours:

13.4 ah

Battery Watt Hours:

482.4 wh

Battery Chemistry:

Lithium-ion

Charge Time:

4 hours

Estimated Min Range:

30 miles (48 km)

Estimated Max Range:

70 miles (113 km)

Display Type:

Bosch Intuvia, Removable, Adjustable Angle, Grayscale, Backlit LCD

Readouts:

Speed, Assist Level (Eco, Tour, Sport, Turbo), Battery Level (1-5), Odometer, Trip Distance, Estimated Range, Clock, Max Speed, Average Speed, Trip Time, Shift Assist Recommendation

Display Accessories:

Independent Button Pad with Tactile Feedback on Left, 5 Volt 500 mA Micro USB Port on Display

Drive Mode:

Advanced Pedal Assist (Measures Wheel Speed, Pedal Cadence and Pedal Torque, Power Output Relative to Pedal Input: Eco 50%, Tour 120%, Sport 190%, Turbo 275%)

Top Speed:

20 mph (32 kph)

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Written Review

The Bulls SIX50+ E FS 3 is a fun all-mountain ebike with Bosch CX drive system. It’s fun, because it can go almost anywhere with longer travel 150 mm suspension from RockShox and plus sized 2.8″ tires from Schwalbe. As a Class 1 electric bike with 20 mph top assisted speed, it would be allowed on more trails than Class 2 or 3 and I was able to pedal faster than this off-road due to in part to the larger wheel diameter. It coasts fast and rolls over obstacles with ease. Weighing in at about 52 lbs and offering three frame size choices, it’s a bike that can fit more riders and handles very well, it feels balanced. Most of the drive system weight is low and center where you want it, there’s limited unsprung weight. The wheels feel sturdy and stiff, even with larger tires, thanks to Boost hubs (slightly longer than average) and the 15 mm and 12 mm thru-axles. You get quick release on both wheels and the battery pack and display can also be taken off to reduce weight or store / charge separately. The motor is extremely responsive and powerful but does produce a whining noise at higher speeds, Bosch is known for offering higher than average max assisted cadence up to 120 RPM which means you can spin with lower gears and still get help from the motor… Some Yamaha systems by comparison, only assist up to 100 RPM. A highlight with the design of this bike is how the motor and battery are built into the downtube. The motor is angled up and blended into the frame with alloy plates extending to the base of the battery. Bosch drive systems aren’t as hidden or stealthy as Brose (which is available on some other Bulls models) but this one looks pretty good and the battery is going to be easier to remove, the battery interface is backward compatible with Bosch Powerpack 400. I also noticed that the battery could be locked and charged more easily than the Brose system and had a nicer rubber cover but there wasn’t room for a bottle cage mount in the central triangle of the frame.

Driving the bike is a 250 watt nominally rated Bosch mid-drive CX model that produces 75 Newton meters of peak torque output. It’s very impressive, don’t let the lower watt rating fool you… it peaks out above 500 watts and has been a top performer for me in climb tests, outperforming higher rated motors due to its responsiveness. Rather than spinning a standard sized chainring, Bosch systems use smaller rings (like the 15 Tooth ring here) that rotate at 2.5 times your pedal cadence. One limitation is that it does not currently support multiple chainrings and the smaller ring doesn’t get as much clearance over the right chainstay. This means the chain runs closer to the stay and can bounce into it on bumpy terrain. To address this, the SIX50+ E FS3 has a thin rubberized slap guard and is built with Shimano Deore XT Shadow+ drivetrain components. The Shadow+ model derailleur has a clutch system that can tighten the chain to reduce bouncing, slip and drops. And the chainring uses a narrow-wide tooth pattern and has an alloy bash guard (outer guide) to keep everything on track. Everything worked well during my ride tests across pavement, gravel and wood chips. Note that shifting requires a bit more effort when the Shadow Plus clutch has been engaged. The Bosch motor offers limited shift sensing that reduces mashing but you’ll still want to shift thoughtfully while easing off your pedaling a bit. The motor controller measures rear wheel speed, pedal cadence and pedal torque one thousand times per second to optimize response and shifting performance and as you ease off, the torque signal reduces motor power.

Powering this electric mountain bike is the new Bosch Powerpack 500 which fits the same dimensions and design as the older 400 watt hour pack and only weighs ~0.3 lbs more while delivering 25% more capacity for increased range. It’s an impressive battery that’s easy to mount, dismount, carry around and charge with the compact charger mentioned earlier. The left side of the case has a button with five LED ticks to indicate charge level which is useful if you’ve stored the bike in a garage or somewhere away from the pack and want to double check if it needs to be refilled before a ride. To maximize the life of this and other Lithium-ion batteries, you can store it in a cool, dry location. Bosch ships this battery at about 50% to avoid stressing the cells and that could be interpreted as a good way for you to store it for longer term periods between use… but avoid letting it get to and stay at 0%, I usually charge it up after a month or two of disuse and get it to 80% vs. 100% to avoid stressing the cells.

Operating the Bulls SIX50+ is very easy and quick. Once the battery is charged and mounted, you can hop on and ride around like a normal bike… then press the power button on the Bosch Intuvia display panel to boot it up and get assist. There are four power levels and I tend to ride in the second one (Tour) for a good mix of efficiency and support. The first level (Eco) is enough to reduce the struggle of pedaling a 52 lb bike around, making it feel like a normal 25 lb bike but it won’t do much for climbing or accelerating. Changing support levels can be done without removing either hand from the grips if the system has already been turned on. There’s a button pad near the left grip with up and down arrows that click as you press them. In between these buttons, an Information button is rounded and rubberized, creating a physical reference point. This button cycles through trip stats like max speed and trip distance but also shows range. Range is cool because it’s dynamically calculated using the last three miles of ride data, your battery level and the chosen assist level. For me, it’s much more useful than the five bar battery readout on the battery and display panel. The display is faintly backlit to make it readable at night but not so bright that it becomes distracting. It swivels to reduce glare and has a light bulb button near the lower right corner which isn’t used on this electric bicycle because lights have not been added. Depending on your local shop, integrated lights can be placed and they will run off the battery vs. independent cells. Note that you can enter into the display to change the clock, adjust shift recommendation and switch from miles per hour to kilometers per hour by holding the reset and i buttons on the display panel.

The Bulls SIX50+ E FS 3 is a go-anywhere machine that’s nimble and beautiful. I love the battery and motor integration and appreciate the upgraded Selle Royale saddle, Magura hydraulic brakes and ergonomic locking grips. While I do wish it came with a seat post dropper, the quick release seat tube collar does the trick with a little more time. Bulls has a great reputation in Europe and has entered the US without missing a beat. Their bikes aim to balance value with high quality hardware, dealer support and a solid warranty. The terrain I tested this model on does not do it justice but I still had a blast. It’s easy to reach and maintain 20 mph on rolling terrain and even moderate inclines but going faster is no problem on flats and downhill thanks to the larger tires which almost ride like 29ers. Big thanks to Bulls for partnering with me on this post and taking me out to a few neat spots near their US headquarters in Los Angeles.

Pros:

  • Tight motor integration, older Bosch Centerdrive motors bulged out in the front and hung down lower, this one is angled and tucked up into the downtube raising clearance and blending in nicely
  • The battery pack looks great as well, the base is cupped by an Aluminum flange that extends towards the motor and stickers connect the two sections visually
  • Longer Boost hubs support plus sized 2.8″ tires which provide stability and improved traction, they’re a blast for trail riding and push the effective diameter of the 27.5″ rating closer to 29″ which improves speed and allows you to roll over large obstacles
  • Three frame sizes available so you can dial in fit, angled top tube lowers stand over height so mounting and dismounting is safer
  • Stiff thru-axles offer strength and support the wider, heavier tires, you also get quick release on both so trail maintenance and transport is faster and easier
  • Both the display and battery pack are removable which takes the bike weight down to ~47 lbs for easier transport on car racks (especially useful if you’re moving several bikes at once)
  • Micro USB port on the right edge of the Bosch Intuvia display panel can run some electronic devices or help charge a bright headlight for dusk or trail rides
  • Air suspension is more adjustable and lighter weight than coil, both are long-travel with compression and rebound adjust as you’d expect from higher end components
  • Compared with the Brose powered Bulls models I feel like the battery pack is easier to charge and the charging port is better protected, taking the pack off also feels safer because it’s lighter weight and has a handle loop at the top
  • The increased torque of the Bosch CX motor combined with trail riding means the chain, sprockets and derailleur may take more abuse even though the motor has software driven shift-sensing, to help keep the chain on track and reduce bouncing and slipping you can activate the one-way clutch on the Shimano Deore XT Shadow Plus (the grey lever that pulls back)
  • The chainring features Narrow-Wide teeth to lock onto the chain better and reduce slipping and kickback (since this has rear suspension), it pairs nicely with the Shadow+ clutch system
  • Excellent weight distribution with the motor and battery mounted low and center, the motor responds very quickly and offers incredible power for climbing with 75 Newton meters peak out put
  • Older Bosch systems used a 400 watt hour pack but this bike comes with the 25% larger Powerpack 500, you can easily bring the charger to extend rides further because it’s compact,
    relatively light weight and faster than average, putting out 4 Amps vs. 2 Amps on other systems
  • Nice grips, they’re narrow like standard mountain bike grips so you can wear gloves and really control the bar but they offer some ergonomic support and are locking but light weight (the locking screw is under the ergo wedge vs. an end cap)
  • Quality hydraulic brakes with four piston caliper in the front to improve power and distribute heat, both rotors are 180 mm and the levers are adjustable for reach
  • Given the smaller 15 tooth chainring on this and other Bosch powered full suspension mountain bikes, I was surprised that they didn’t put a pulley in to reduce slapping and kickback, I didn’t have any issues during my test ride and they do include a slap guard but it’s an area for consideration
  • Internally routed cables keep the frame clean and reduce the potential for snags and scratches, I like that the top tube is completely clean for transporting with hang style racks
  • The chain is kept on track by the NW sprocket and a bash guard / protector which also keeps pants clear… but who mountain bikes with baggy pants O_o

Cons:

  • The Bosch CX motor is a bit louder than Brose, you can hear a signature whining noise when it operates at high RPM, it’s also limited to a single chainring at this time
  • No seat post dropper here, the combination of longer travel and larger wheel diameter means all-mountain to me and droppers can be really useful for that kind of terrain variety, they cost a bit if you want hidden wiring but there are also cheaper ones too (get the 30.9 mm diameter to fit this ebike)
  • No bottle cage bosses, very few of the Bosch powered full suspension ebikes have managed to fit these because the triangle space is limited (especially on the smaller frame sizes)
  • If and when you need to replace the battery pack, it won’t necessarily come with the same matching decals and I’m not sure how easy transferring them would be, it might not look as good then
  • The stock pedals are lame in my opinion, they are cheap alloy cage style platform pedals that are easily bent up and don’t offer the surface area or traction I prefer for trail riding like this

Resources:

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JimBo
8 months ago

Once again, Court, you provide a nice, thorough review on a helluvan eMTB!

I also noticed that the Bulls FS series don’t come standard with droppers, at least not in the North American market. I’d like to point out another dropper option from Magura – it’s totally wireless!

I’ve been using their Vyron dropper for a couple weeks now, and it’s great once you get used to it. 150mm of travel, $500 retail but I found it for about $260 from this site. Even with $25 or so shipping, it’s still less than the Reverb. Plus that site has a lot of ebike-specific goodies at lower prices than any I’ve found thus far in the US.

Reply
Court Rye
8 months ago

Very nice, thanks JimBo! You’re quite knowledgeable and up to date on this stuff. I really appreciate you sharing these tips ;) I’d like to hear more about this post if you own it, how is it different and what did you have to get used to? Is it slower than a mechanical dropper? How often do batteries need replacement or are they rechargeable?

Reply
Adam
7 months ago

Hey Court, I enjoy your reviews. Keep up the good work! Question here, is this bike tubeless ready?

Reply
Court Rye
7 months ago

Hi Adam! I believe it could be converted easily but would require liners.

Reply

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Over50
4 weeks ago

No hub shifting but this is pretty neat.

2018 Bulls SIX50 Evo TR Street

http://www.aendus-bike-gallery.ch/produkt/bulls-six50-evo-tr-street/

My understanding from watching the Interbike videos is that this will be a speed pedelec in the US. The bike in the link you posted uses the CX motor. Can't wait to see it available here.

hurricane56
4 weeks ago

No hub shifting but this is pretty neat.

2018 Bulls SIX50 Evo TR Street

http://www.aendus-bike-gallery.ch/produkt/bulls-six50-evo-tr-street/

Over50
2 months ago

@Over50, Haibike was the first who put the Bosch first generation drive unit into the mountain bikes in 2011...

Thanks Wildtrak. I don't currently do any off-road riding but I'm city commuting on a Haibike XDuro 4.0 Trekking and a R&M Charger (Nuvinci speed pedelec). I'm thinking that if all goes well mid-2018 I'd like to upgrade one of those bikes for a dual-battery capacity commuter. It appears the Haibike Sduro Trekking 9.0 for 2018 is basically the same bike as the XDuro 4.0 (frame and components) but allows for dual-battery with their new rail system and in-tube design. I definitely have my eye on the Trekking 9.0 but I'm also attracted to the Moustache Samedi and XRoads models (hidden battery but not dual-battery). As for a speed pedelec choice I have my eyes on the New Charger by R&M and the Bulls full suspension commuter the Six50 TR Street. Also, I'm pretty certain I'm also going to buy the Tern GSD as a grocery hauler/wife's bike/day tripper. So 2 new bikes for 2018 is the plan: the Tern GSD and a commuter replacement bike (Haibike, R&M or Bulls most likely). For the German brands that sell Bosch powered commuter bikes in the USA, it looks like they use similar specs/components but do you have an opinion coming from Germany, about which brand is better in terms of overall quality, customer service/support and innovation?

Over50
2 months ago

The Bulls Six50 TR Street is one of the 2018 bikes that piques my interest the most. Full suspension with pannier mounting and fenders. First time I've seen the speed motor tilted up as they've been doing with the CX. Looks like a lot of potential to be a great commuter bike. Alas no Bulls dealers anywhere near me.
9:20 of this video:

Ravi Kempaiah
2 months ago
Ravi Kempaiah
2 months ago

Hi all, I am trying to narrow down the choices for a solid commuter and would greatly appreciate any input.

We had the opportunity to test ride BULLS six50 e2 street and lacuba e45 side by side, and they are both fantastic rides. From a brief test ride in a suburb they seem more or less equivalent, and spec-wise they are also similar. Do any of you have a word to put in for either?

These two bikes feel premium, and go for around $4k. My next question is if anyone had the opportunity to test ride any bike with similar characteristics (28mph, suspension) in a slightly lower segment, say $2.5-$3k, and have an opinion on the marginal value of the last $1000 invested?

For the record my commute is ~10mi one way, a few hundred feet up and down, paved but not super smooth. I do it on road bike, but want to save some time, my knees, and not be sweaty every day. I am willing to invest in a good commute, but I am really curious about what those last $1000 buys.

Thanks!

Lacuba E45 has a much bigger battery (650 vs 500 on the E2 street).
I would recommend the E2 street. You could make it ~50lbs if you change the front forks. You could run 12V Supernova M99 lights and you could carry an extra 400 or 500 powerpacks.
You could also look at Trek Xm700+ https://www.trekbikes.com/us/en_US/bikes/electric-bikes/xm700/xm700/p/1982140-2018/?colorCode=black

jonase
2 months ago

Hi all, I am trying to narrow down the choices for a solid commuter and would greatly appreciate any input.

We had the opportunity to test ride BULLS six50 e2 street and lacuba e45 side by side, and they are both fantastic rides. From a brief test ride in a suburb they seem more or less equivalent, and spec-wise they are also similar. Do any of you have a word to put in for either?

These two bikes feel premium, and go for around $4k. My next question is if anyone had the opportunity to test ride any bike with similar characteristics (28mph, suspension) in a slightly lower segment, say $2.5-$3k, and have an opinion on the marginal value of the last $1000 invested?

For the record my commute is ~10mi one way, a few hundred feet up and down, paved but not super smooth. I do it on road bike, but want to save some time, my knees, and not be sweaty every day. I am willing to invest in a good commute, but I am really curious about what those last $1000 buys.

Thanks!

Craig Crowder
3 months ago

I have a Bulls SIX50+ E FS 3 which has a Bosch Performance line CX. I've ridden the bike about 50 times for about 400 miles total (I ride about 4 times a week) since I bought it in June 2017. In the past three weeks the motor and display unit (Intuvia) has powered off on it's own while riding 4 different times. I press the power button and it powers back up after about a minute. No error code is displayed. Is there some trick to see if there is a hidden internal error code somewhere? Any help is appreciated, it's an hour drive one way to the dealer I bought it from.

dr3131
3 months ago

I am looking to buy a bike for my college age son. 5'7" 135lb who will mainly be using around campus. I am looking at anything 1600-3000. Interested in the best quality for the money. He will want a rack and fenders but doesn't want the bike to scream E-bike

Have never purchased an E-bike before and just tested a Juiced Cross current S.

Rgrtitan
3 months ago

All right! I got the bicycle today!

I usually make my purchases online. After visiting several LBS in Seattle, they didn't seem to know much about their Stromer, Specialized and Trek e-bikes, which is very disconcerting since your spending several $k.

After stopping by Seattle Electric Bicycles, I met the owner, Stefan and his store staff. Stefan and the staff were extremely polite, knowledgeable and not pushy. I took a lot of their time w/ questions and test rides. After my experience there, I knew I was going to purchase my e-bike there and not online. They also happened to have a lot of great sales going on.

I decided on the Bulls Six50 E2 Street in 51 with a 20 cog (from 15) chainring upgraded on the front and a Body Float. The bike wasn't in stock and was special ordered.

The bicycle handles and rides great, especially with the Body Float. It's pretty zippy, even in the "tour mode", which is #2 of the 4 modes (eco, tour, sport, turbo). I'll have a better idea of the range later this week. As far as handling, it was great.

I'd strongly recommend anyone in the Seattle and surrounding areas check out Seattle Electric Bikes. They have really good selection of mid-drive and rear-drive bicycles.

Ravi Kempaiah
3 months ago

I am a 5'5 male 160 lbs.

A 17" comfort frame ST2 would work well. The bike has massive range and power but it does have occasional electronic glitches. If there is a dealer willing to support you, you will immensely enjoy the bike.

Other options.

41cm BULLS Six50 E2 Street - $3800

45cm Trek Super Commuter - $4999 ( I can imagine the standover height could be an issue here but lots of dealers to test it out)

Specialized Turbo Vado - $4800 (small frame size)

Raleigh Redux IE - $3000 (small frame would work well)

Someone in Atlanta area got one from @Chandlee EBS at Electric Bike Specialists (http://www.electricbikespecialists.com/) and you can read about the experience here.

Ravi Kempaiah
3 months ago

@Ravi Kempaiah thanks for the great input. I decided on the Six50 E2, special ordered at the LBS and ordered a bodyfloat seatpost. The Supernova looks awesome but will have to wait on that for now.

Thanks for the suggestion on changing the front chainring to a 20T, that's definitely do-able!

Great choice!
It was a mistake by BULLS that they left out the front chainring to be 15T (EU spec) while all other speed pedelecs have 20T or 22T.
The bike frame geometry is a very versatile one and I am sure you would enjoy this immensely.

Rgrtitan
3 months ago

I test rode a couple more and I ended up ordering a Bulls Six50 through a LBS.

I'll receive it sometime next week and I'll write up my experiences. Thanks everyone for the great input!

Rgrtitan
3 months ago

@Ravi Kempaiah thanks for the great input. I decided on the Six50 E2, special ordered at the LBS and ordered a bodyfloat seatpost. The Supernova looks awesome but will have to wait on that for now.

Thanks for the suggestion on changing the front chainring to a 20T, that's definitely do-able!

Ravi Kempaiah
3 months ago

@Ravi Kempaiah , I really enjoy your posts and videos. I'm looking at the Bulls Six50 e2 Street as a cheaper alternative commuter to the Dail-E Grinder. With your experience w/ the ST2 S and the Dail-e Grinder, what are your observations on the advantages and disadvantages of both?

Happy to share my experience:

ST2 or ST2-S

Having put 20,000+ miles on this platform and many other bikes, I am always impressed by the quiet, solid and smooth drive feeling of the ST2.
If your commute involves long stretches of roads, ST2 will excel at it. It shines in the 23-26mph cruise zone. The range is massive and if your roads are in fairly good condition, then you will be very pleased with the whole experience.
The downside is the weight. It's like driving a Escalade SUV. It has its own inertia but once you get over it, it works fine. It's not super agile like 45lbs bike. If your commute involves a lot of stop-go traffic, you will find the lighter bikes are better.

Dail-E Grinder or Six50 E street

The Dail-E is light, fast and packs a lot of good componentry. BULLS recently reduced the price points on all their bikes, so that's a bonus. The Dail-E is light and makes it perfect for stop-go traffic and you can carry it up 10 stairs without much worry.
The Six50 E2 is a very nice commuter but any Bosch system needs more rider involvement and proper shifting technique to get the most out of it. It will also make you a better cyclist (if you not one already).
With a 500Whr battery, you can easily get 30-35 miles of range.
The componentry is decent. You may want to change the chainring from 15T to 20T (helps in maintaining higher top speed) and change the lights to Supernova M99 (makes a lot of difference). The stock front lights are inadequate. But, the brakes are excellent. The wheels are great and have never heard of people breaking spokes that you hear on some cheaper hub motor bikes.
The forks are heavy but do basic job in mitigating the effect of road imperfections. But, other than that, I can't think of any major negatives.

Overall, they are all very good quality bikes. If you have a dealer willing to back you up, you have really nothing major to worry about.

Rgrtitan
3 months ago

@Ravi Kempaiah , I really enjoy your posts and videos. I'm looking at the Bulls Six50 e2 Street as a cheaper alternative commuter to the Dail-E Grinder. With your experience w/ the ST2 S and the Dail-e Grinder, what are your observations on the advantages and disadvantages of both?

Rgrtitan
3 months ago

I recently test rode a couple e-bikes.

The first was a Vado 5. It was nice, but my ass and wrists were sore after a short bumpy pavement ride. Suspension fork and seatpost may be a requirement.
I'd probably consider the Vado 6 w/ a bodyfloat .

I tested out some Bulls and Haibike, with suspension forks and a bodyfloat. They were all Bosche CX (20mph), but pretty impressive. I may be more inclined to look at the Bosche Speed.

I haven't seen any LBS w/ Ohm or iZip.

The LBS I went to was very nice and took the time to test ride and educate me, will post more info about them once I figure out which way to go.

One I'm looking at now is the Bulls E2 Street w/ a bodyfloat seatpost. This fits most of my requirements and is nice that I can use as a lite MTB for the 1% I am not using it for a commute.
http://www.bullsebikes.com/product/six50-e-2-street/

Mark Peralta
3 months ago

Thanks .
I intended to use as transportation , commuter .
What would be a competitor to the Haibike , with a Bosch mid-drive ?
As a commuter, it makes more sense to get a 28 mph bike.
https://electricbikereview.com/trek/xm700-plus/
https://electricbikereview.com/bulls/six50-e2-street/
https://www.haibike.com/en/US/bikes/695/2018-xduro-trekking-s-9-0?variant=3840424848

cglow
4 months ago

Some of the choices I'm looking at include the Magnum Peak, Bulls SIX50 1.5, Voltbike Enduro, and Juiced CrossCurrent S (but the wait may kill that one). Any opinions on these? Anything else I should consider?

David W
4 months ago

Does the motor work?

Yes, the dealer loaned me the battery from their demo Six50 and everything worked OK during the test ride.

David W
4 months ago

Yesterday when picking up a new Bulls Six50 E2 Street I was unable to set the bike into any assist modes, and the headlight wouldn't come on. The mechanic and I thought this was because the battery wasn't charged, so he loaned me the battery from their demo Six50 and everything worked OK during the test ride.

This morning, after a full 12 hour charge, the battery lights show full but the bike won't go into assist modes and the headlight doesn't come on. It's almost like the bike doesn't like that particular battery.

I tried calling the office in Lynwood CA (number found at http://www.whitepages.com/business/bulls-bikes-usa-lynwood-ca-2) and was told Tech Support is OOO until later today. Hoping that @BULLSBarney or @Adam@BULLSeBIKES is watching threads and can help, or someone on this forum can offer a suggestion.

Craig Crowder
4 months ago

Affected models:

-2017 BULLS E-STREAM EVO 2 27.5 PLUS
- 2017 BULLS E-STREAM EVO 2 FS 27.5 PLUS
- 2017 BULLS E-STREAM EVO 3 27.5 PLUS
- 2017 BULLS E-STREAM EVO 3 29
- 2017 BULLS E-STREAM EVO 45 FS 27.5
- 2017 BULLS CROSS LITE E
- 2017 BULLS DAIL E GRINDER 45
- 2017 BULLS SIX50 E 1.5
- 2017 BULLS SIX50 E 2 STREET
- 2017 BULLS SIX50+ E FS 2 27.5
- 2017 BULLS SIX50+ E FS 3 27.5

Craig Crowder
4 months ago

I took the updated BULLS Six50+ for a ride today.

My initial thoughts:

Provides a certain level of cognitive ease. If your shifting techniques aren't sharp then the motor will compensate for it and the experience is quite enjoyable.
Dynamic assist is useful when climbing some steep technical sections and when you don't want to lose the momentum.
Loss of range. On my other Haibike (S Rx), I only use Tour mode and very rarely the sport mode. This gives me ~30 miles on a 400whr powerpack.
But on a eMTB with knobby tires, eMTB mode and 500whr powerpack, I only got 29miles. I rode mostly on single tracks and it was not hilly. I can attribute this to the higher consumption in eMTB mode.
Personally, I would not get this update. Simply because the system is exerting itself too much and sometimes I feel like I only need minimal assistance. It suits those who doesn't care about the range and prefer very sporty riding dynamics. Sadly, there is no option to revert back to the older firmware once you update it.

My experience with eMTB mode (version 1.7.0.0) was different on my BULLS Six50+ FS 3. I found the assist level was generally weaker than sport mode and it required me to use my legs more than before the update. I also liked startups on the steeps better, it was not as abrupt and had less wheel spin. Eco, tour and turbo modes are still there so there should be very little difference to those who don't use sport mode much. Since updating to eMTB mode I've only been on one 10.5 mile ride with some very steep sections and so far I haven't noticed an increase in battery consumption, I'll have a more informed opinion about eMTB range after I get a few more rides in.

Craig Crowder
4 months ago

I've had my Bulls SIX50+ E FS 3 about 3 weeks now and I've ridden it about 16 times for a total of 170 miles. I've been very happy with the ride and performance. Luckily for me the LBS notified me that the manufacturer notified him of the crank arm bolts coming loose. I checked them and they were very loose and I tightened them. About 4 rides later the left crank arm came off while I was riding and I was lucky to be sitting on the saddle when it came off. I was able to find the bolt and put back together. The LBS had said that he was waiting for a "Bulls" fix but I guess they haven't got back to him yet. I'm thinking of using blue loctite after I clean the threads, what do you think?

SR Suntour has a "corrective action" on the cranks depending on the Bulls bike model number and the model number of the crank arm. From Suntour:

"SR SUNTOUR has found that the cranks supplied on some BULLS E-Bike Models(See attachment for complete list) tend to loosen over time.
Re-tightening the crank only works for a short time then becomes loose again. SR SUNTOUR has therefore decided to have all crank arms and bolts
replaced."