BULLS E-Stream EVO 3 Carbon 27.5 Plus Review

Bulls E Stream Evo 3 Carbon 27 5 Plus Electric Bike Review
Bulls E Stream Evo 3 Carbon 27 5 Plus
Bulls E Stream Evo 3 Carbon 27 5 Plus Brose Mid Drive Mtn Motor
Bulls E Stream Evo 3 Carbon 27 5 Plus Magura Hydraulic Disc 4 Piston Brake
Bulls E Stream Evo 3 Carbon 27 5 Plus Cockpit Suspension Clickers
Bulls E Stream Evo 3 Carbon 27 5 Plus Transflective Display Console
Bulls E Stream Evo 3 Carbon 27 5 Plus Bottle Bosses Led Indicator Downtube
Bulls E Stream Evo 3 Carbon 27 5 Plus Sr Suntour Aion 35 Suspension Fork
Bulls E Stream Evo 3 Carbon 27 5 Plus Shimano Deore Xt Drivetrain
Bulls E Stream Evo 3 Carbon 27 5 Plus Schwalbe Nobby Nic Tires
Bulls E Stream Evo 3 Carbon 27 5 Plus 32 Tooth Double Chainring
Bulls E Stream Evo 3 Carbon 27 5 Plus High Capacity Downtube Battery Lithium Ion
Bulls E Stream Evo 3 Carbon 27 5 Plus Electric Bike Review
Bulls E Stream Evo 3 Carbon 27 5 Plus
Bulls E Stream Evo 3 Carbon 27 5 Plus Brose Mid Drive Mtn Motor
Bulls E Stream Evo 3 Carbon 27 5 Plus Magura Hydraulic Disc 4 Piston Brake
Bulls E Stream Evo 3 Carbon 27 5 Plus Cockpit Suspension Clickers
Bulls E Stream Evo 3 Carbon 27 5 Plus Transflective Display Console
Bulls E Stream Evo 3 Carbon 27 5 Plus Bottle Bosses Led Indicator Downtube
Bulls E Stream Evo 3 Carbon 27 5 Plus Sr Suntour Aion 35 Suspension Fork
Bulls E Stream Evo 3 Carbon 27 5 Plus Shimano Deore Xt Drivetrain
Bulls E Stream Evo 3 Carbon 27 5 Plus Schwalbe Nobby Nic Tires
Bulls E Stream Evo 3 Carbon 27 5 Plus 32 Tooth Double Chainring
Bulls E Stream Evo 3 Carbon 27 5 Plus High Capacity Downtube Battery Lithium Ion


  • 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, the BMZ battery offers larger than average capacity but fits perfectly into the downtube and is removable
  • Sturdy thru axles with quick release for easy trail maintenance, powerful 180 mm hydraulic disc brakes (four piston in the front), light weight longer travel suspension fork with remote lockout
  • Battery removal can be tricky, the locking core is in a vulnerable position and the charging port cover is finicky to seat correctly, available in two frame sizes at an impressive price, neat to see a 22 gear drivetrain and two bottle cage mounting points

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Video Review

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E-Stream EVO 3 Carbon 27.5 Plus



Body Position:


Suggested Use:

Trail, Mountain

Electric Bike Class:

Pedal Assist (Class 1)
Learn more about Ebike classes


2 Years Motor and Battery, 5 Years Frame


Europe, Canada, United States, Australia, New Zealand

Model Year:


Bicycle Details

Total Weight:

46.5 lbs (21.09 kg)

Battery Weight:

7 lbs (3.17 kg)

Motor Weight:

6.61 lbs (2.99 kg)

Frame Material:

Carbon Fiber

Frame Sizes:

18.11 in (45.99 cm)20.08 in (51 cm)

Geometry Measurements:

32" Stand Over Height

Frame Types:


Frame Colors:

Matte Black with Gloss Black and Metallic Blue Accents

Frame Fork Details:

SR Suntour AION-35 RL-R with 120 mm Travel, Rebound Adjust, Remote Lockout, 15 mm Thru-Axle with Quick Release

Frame Rear Details:

12 mm Thru Axle with QR

Attachment Points:

Bottle Cage Bosses

Gearing Details:

22 Speed 2x11 Shimano Deore XT Shadow Plus, 11-42T

Shifter Details:

Shimano SLX Triggers on Left and Right


SR Suntour CRG513B/CRG37 Cranks, 38T / 28T


Wellgo C-128DU Alloy Platform, Cage Style


STYX Chin Hau Tapered 1-1/2 to 1-1/8"


STYX Alloy, 7° Angle, (80 mm, 90 mm)


Low Rise, 740 mm Length, 25 mm Rise, 9° Bend, 31.8 mm Diameter

Brake Details:

Magura Hydraulic Disc with 180 mm Rotors, MT-5 4 Piston Front and MT-4 2 Piston Rear, Magura MT Levers


Ergon VLG-16828D3 Locking, Flat


Selle Royal Seta M1

Seat Post:

STYX Aluminum Alloy

Seat Post Length:

350 mm

Seat Post Diameter:

30.9 mm


Bulls Eccentric 35 Alloy, 32 Hole


Stainless Steel, 14 Gauge Front 13 Gauge Rear, Black

Tire Brand:

Schwalbe Nobby Nic, 27.5" x 2.8"

Wheel Sizes:

27.5 in (69.85cm)

Tire Details:

Performance Folding

Tube Details:

Presta Valve


Velo Battery Protector Pad


IP56 Ingress Rating, 2.5 lb 5 Amp BMZ Charger, Boost Adds 10 mm to Hub Length in Font and 6 mm in the Rear, KMC X11E Chain, Formula Hubs

Electronic Details

Motor Brand:

Brose Drive T (Trekking)

Motor Type:

Mid-Mounted Geared Motor
Learn more about Ebike motors

Motor Nominal Output:

250 watts

Motor Peak Output:

530 watts

Motor Torque:

90 Newton meters

Battery Brand:


Battery Voltage:

37 volts

Battery Amp Hours:

17.5 ah

Battery Watt Hours:

647.5 wh

Battery Chemistry:


Charge Time:

4.5 hours

Estimated Min Range:

50 miles (80 km)

Estimated Max Range:

130 miles (209 km)

Display Type:

Fixed, Backlit Transflective LCD, BULLS CSI


Speed, Battery Level (5 Bars), Assist Level (None, Eco, Tour, Sport)

Display Accessories:

Independent Button Pad with Tactile Feedback on Left, 6 Volt Micro USB Port on Display

Drive Mode:

Advanced Pedal Assist (Cadence and Torque Sensing)

Top Speed:

20 mph (32 kph)

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Written Review

There really aren’t that many Carbon fiber electric bikes… yet! It’s a combination that makes sense to me but is understandably very expensive. The Carbon fiber dampens vibration and decreases weight which is great for a platform which tends to ride further, maintain higher average speeds and be heavier due to motor, battery and control systems. The BULLS E-Stream EVO 3 Carbon 27.5 Plus is more than a mouthful, it’s a reasonably priced, beautifully designed hardtail electric bike that’s available in two frame sizes. It’s really an amazing e-bike, one that blends in with non-powered mountain bikes perfectly thanks to a compact motor and downtube integrated battery pack. Even the display panel is minimal but you aren’t required to reach down in order to change assist levels as you are with the Specialized Turbo Levo models, nor are you required to fret over a gigantic LCD display as you are with some of the older Bosch, Yamaha and Impulse e-mountain bikes. I like almost everything about it except for the lack of rack bosses at the rear end… because I love to commute with hardtail bikes like this. As it stands, you can add a Thule Pack’n Pedal rack and get pretty good utility without the side to side bumping that many beam racks suffer from. Perhaps Bulls did consider rack bosses but passed to save weight and improve strength of the frame? Amazingly, they did manage to squeeze in a set of bottle cage bosses on the seat tube and you can take out two screws from the battery interface and mount another cage on the downtube. That’s the way it should be in my opinion, so many ebikes forego bottle mounts all together and it’s not always clear why?

The E-Stream EVO 3 Carbon isn’t perfect, it suffers from the same issues as most of the other Brose powered Bulls models. Namely, the battery pack is a bit difficult to mount and dismount due to a key plus sliding lever maneuver. At least it’s secure and doesn’t rattle when riding… I also like the foam pad they mounted to the base for protection. Note that they key is directly in the path of the left crank arm so don’t forget to remove it before baking the bike up or jumping on for a ride lest you sheer it off. Other gripes include a finicky charge port cover, basic non-locking grips and the lack of shift sensing in the motor control system which could protect some of the chain, sprocket and derailleur wear. this electric mountain bike offers 22 gear combinations which is more than double what I see from competing bikes. That means more cadence increments and perhaps more comfort but also more shifting. The motor senses pedal cadence and torque though so it’s up to you to ease off before shifting in order to momentarily deactivate power and shift smoothly. The Brose motor itself is compact, relatively quiet thanks to a belt transition inside and extremely powerful (offering up to 90 Newton meters of peak torque output). Try not to be put off by the 250 watt nominal rating, it peaks closer to 530 watts. Ultimately, it’s efficient and that means longer rides and fewer stops for charging. Note that the motor surround is made of Carbon fiber and does not have deflector tape or padding like the battery. Be careful with it and consider adding some clear tape of your own to reduce nicks and scratches.

Powering the motor is an extra large capacity battery pack with premium Lithium-ion cells. It can be charged on or off the frame and uses the EnergyBus Rosenberger charging format. This means, if you trip over the cable it just pops out without bending pins and hopefully without knocking the bike over. The pack delivers 36 volts of power and 17.5 amp hours which is about 7.5 amp hours more than most electric bikes. Do note that the pack itself has two EnergyBus ports and you can plug into either one when charging separately from the bike (I double checked with the Bulls reps). Even though the pack can be tricky to put on and take off, I like that it’s possible because it weighs seven pounds and there are times (like the winter) when storing it inside away from the extreme cold could make a lot of sense. I might take it off when transporting on car racks as well, especially if there are multiple bikes which could add up and strain your rack or damage your car. Note that both wheels have quick release thru-axles and are easy to remove. The front is a 15 mm and the rear is a 12 mm both with Boost technology (basically they are slightly longer to improve strength and spoke angle).

Operating the bike is very straightforward once it’s fully charged. If you haven’t used it for a while, you might have to press a button on the downtube (which lights up a battery capacity indicator). This sort of primes the bike and allows you to press a second on/off switch along the top edge of the display console. I love how compact this thing is, it’s basically a large rocker button with a transflective display on top. You press down on the display to arrow up or down through three levels of assist. Along the side there’s a walk button and a light switch but this particular Bulls ebike doesn’t come with lights so you can ignore that. Just below the button screen portion of the control pad is a rubber plug protecting a Micro USB port! For me this is really cool because I like to ride with Strava and use GPS. Sometimes I also mount lights and being able to tap right into that huge ebike battery to keep my accessories charged on the go is very cool. So the display gives you speed readouts and a battery indicator with five bars, just like the downtube LED readout. It’s large enough to read the speed but you might end up “feeling” the other stats like which power level has been selected. There’s a tactile click as you press down and it’s nice to be able to do so without looking. The whole thing is small enough to evade notice from fellow cyclists but not so thin that it wouldn’t be impervious to damage during a fall… and it’s not removable. This means the sun, rain and vandalism could happen so consider covering it with your bike glove or just keeping an eye out.

The cockpit on this bike is well setup, it looks good and balances two shifters with a remote lockout lever on the right and the display control pad thing on the left. There’s plenty of space for your lights and other accessories but leaving it clean and clear is best for bumpy terrain. The Bulls E-Stream EVO 3 Carbon maxes out at 20 mph for the US version and is thus a Class 1 electric bike, allowed on more off-road trails than Class 2 or Class 3. Even though it still weighs ~46.5 lbs that’s ~4 lbs less than other premium hardtails I’ve tested. For someone who loves riding cross country and wants to go further, this would be an excellent choice. Bulls offers a five-year frame warranty with two years on the battery and motor. They’ve taken off in Europe and are two years into the US market now with a growing network of dealers. On the one hand, I wish it were full suspension but then for $4,600 and the lighter weight you get, I feel like the larger plus sized tires and awesome suspension fork would do a lot for comfort. I would consider a seat post suspsension myself and BodyFloat sells a Carbon fiber version so you could continue the theme of the bike. Big thanks to Bulls for partnering with me for this review.


  • The tires are a stand-out feature on this ebike, they offer improved traction through a larger contact patch, increased comfort due to more air volume, reduced deflection and slipping on rocks and other angular surfaces and provide great rolling momentum and gap spanning with the 27.5″ diameter size, they are also 2.8″ thick vs. 3″ on some other plus models and I think this decreases weight slightl
  • At 46.5 lbs this is a very light weight hardtail electric bike… especially when you consider the battery capacity at 647.5 watt hours, it’s tough but the Carbon fiber frame shaves the pounds off
  • I was really impressed to discover that the E-Stream EVO 3 Carbon comes in two frame sizes, while they’re both high-step (for strength) more riders should be capable of fitting comfortably, the top tube is angled down so stand-over height is maximized, even so I love that they were able to include bottle cage bosses on the downtube and seat tube!
  • You get 22 gear combinations on this bike which is more than double what I see on a lot of other e-mountain bikes, the setup is 2×11 with Shimano Deore XT Shadow Plus, most mid-drive electric bikes only offer one ring up front (shift carefully given the extra power)
  • Premium Magura hydraulic disc brakes with 180 mm rotors and a 4 and 2 piston setup (four up front to spread out the forces and improve cooling), two-finger levers with adjustable reach let you dial in your hand position and focus on maneuvering
  • Quick release on both wheels so you can transport the frame more easily (perhaps store it inside your car when parking), definitely pop the battery off to lighten it up if you’re using a hang style rack… front axle is 15 mm and the rear is 12 mm for increased strength and stiffness
  • Battery and motor weight are right where you’d want them… low and center across the frame, they also blend in visually and the battery has a foam pad liner on the bottom to protect from rocks and other obstacles
  • The Brose motor is super quiet and features a belt system between gear sets which reduces vibration, making it feel more natural
  • Beautiful paint with minimal decals (matching accents on the frame, fork and wheelset), cables are mostly internally routed for protection and improved aesthetics
  • Super high torque output for climbing, you get up to 90 Nm which pairs nicely with the lower gears, I haven’t had any issues climbing even the steepest terrain as long as I shifted appropriately
  • Wider 30.9 mm seat post diameter improved strength, consider swapping the post out for a carbon fiber BodyFloat for maximum comfort while still keeping it light… tighten the post down to reduce slip but don’t over-tighten and crack the tube
  • The charger works faster than most others I’ve seen, it’s a 5 amp battery charger that weighs a bit more at ~2.5 lbs but is still portable enough to come along in a backpack or something
  • Both wheels offer Boost which gives you 6 mm additional width in the rear and 10 mm additional width up front, this strengthens spoke angle and improves handling
  • The cockpit handlebar area is fairly clean considering you’ve got shifters on both sides and remote lockout for the suspension fork, I love their little transflective display button pad thing because it’s easy to reach and read but doesn’t stand out as “electric bike” or seem as vulnerable as a full sized mid-mounted display panel seen on a lot of other ebikes
  • They were able to squeeze a 6 Volt Micro USB port into the base of the control panel, this lets you charge a phone or other portable electronic device and tap into the huge primary e-bike battery, very cool and well positioned at the handlebar vs. down on the pack where you’d have to run a cable


  • Unlike the Impulse mid-drive, some Bafang setups and the Bosch Centerdrive these Brose motors don’t offer shift sensing and that means you’ll have to be extra careful not to stress the chain, sprockets and derailleur… The system measures pedal speed and torque very quickly so shifting can be done smoothly, it’s just more raw
  • I wish they included rack bosses at the rear because I love to ride hardtails like this during the week as an adventure commuter but I see how that might compromise frame strength or add a lot to the price, consider a beam rack or the Thule Pack ‘N Pedal
  • They key slot for removing the battery pack is very close to the left crank arm which could be vulnerable… you don’t have to leave the key in while riding or anything, just take care when adjusting, same thing with the charging port but it’s magnetic so it won’t get bent pins or anything
  • I would like to see an improvement in the charging port cover, it took me several minutes ad a bit of finessing to get it properly seated on several of the Bulls demo bikes and that’s no fun (considering you probably charge the thing daily), it’s important to keep the interface clean and that cover should fit easily and seal completely in my opinion
  • Actually taking the battery off can be tricky without a second person there to hold the bike… there’s no kickstand so you might lean it against a wall but if you lay it down you’ll have to do so on the drivetrain side because of the key hole position, the second step is a slide lever to disconnect the pack and if the bike is upright the pack might sort of plunk out and get dropped more easily so be careful
  • I like that the grips are ergonomic but not super fat because you can still bear down and maneuver easily with them but wish they were locking, as-is they may twist under pressure and prolonged riding


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1 year ago

Hi Court, thanks for sharing about that Thule rack. It seems like it could be a good solution for most bikes without rack mounting points, but I would be very leery about using it on a carbon frame. There are many who say that you should never mount anything onto a carbon frame as they are not designed to take any kind of compression from bolt on accessories. You even need to be careful about overtightening the seat post bolt. It would be a shame to have a catastrophic frame failure on such a nice bike.

Here is an article about the care and feeding of carbon frames, if someone really wants to use one. And for another perspective, here is a bike shop that flat out refuses to work on carbon frame bikes, because they can be damaged without any visible signs showing the damage.

In general, I think that the weight savings from carbon frames is not worth it with ebikes. The added power from the motor more than cancels out any extra weight inherent in a steel or aluminum frame. And it would seem that weight savings if desired could be found in other places……including sometimes your own body fat…..without taking on the risks inherent in a carbon frame.

Court Rye
1 year ago

Great points Nirmala, I think that’s why some brands haven’t introduced them yet (like Specialized). You don’t save much weight and the power of the motor and battery more than make up for the little weight you do end up with on Aluminum or even Steel. Something to think about… but there is a nicer feel on some Carbon bike frame and I’m guessing Bulls has done their research. Your point about the rack is a good one, just being careful and maybe even asking the manufacturer about it. Perhaps this is a big reason they didn’t include rack bosses to begin with?


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2 hours ago

My Bulls FS3 eMTB has a Brose motor, same as your Turbo Levo, Jim. Sure, Specialized "custom-programmed" the motor's software, but it's still cranking the same 90Nm of extra torque through the drivetrain. I also own a Haibike Sduro Allmtn+ with a Yamaha (80Nm), and a Motobecane w/Shimano (75Nm). My friends and I have put hundreds of trail miles on all three, and we've broken a few chains.

We've all been mountain biking since the early '90s, and consider ourselves to be experienced riders who know how and when to shift. eMTBs, however, are a different story. I find that they're far more susceptible than unassisted MTBs to bending chain links when shifting under any kind of load and/or the slightest cross-chaining, and are totally intolerant of standstill shifts (especially when caked in dried mud, which makes everything stickier). Of these three ebikes, the Bulls w/Brose has been the most prone to chain breaks, even when freshly cleaned and properly lubed. I suspect it's because of the motor's higher torque (it's also the heaviest of the three).

My 2002 Stumpjumper could go indefinitely without lubing its chain, and did 15 years ago when I first got it. One of my buds now wants to buy his own eMTB, which is great, but he only cleans his current MTB semi-annually, and maintenance is not something he does frequently, either. I told him what I'm saying to you - if you expect to treat an eMTB just like a mountain bike, you'll likely be disappointed. For me, pedal assist amplifies the fun factor by at least 10, but also requires three times the maintenance.

That's a trade-off I'm willing to make.

Dan Dialogue
3 days ago

Hi Scott,

It's converting the front crank, either a 2 or 3 chain ring to a single ring. You can check out my post in the Bulls forum here:


You only need post adapters to increase the rotor size. I'll take some photos and post them back here.


Scott Adams
3 days ago

Nice photos.

Curious what "converting to a 1X" means?

What all is involved in increasing the rotor diameter- is it necessary to custom weld the caliper mounts into a new position?

Riding an ebike at night is fantastic.

Dan Dialogue
3 days ago

HI All,

Just roaming around the site and found this thread. I've posted in other threads but never really took the opportunity to introduce myself. My name is Dan and I reside in a suburb of SLC, UT. I currently own two bikes. The first is a 2015 Cannondale Trigger 4. It's my "analog" bike and the one I ride in areas where I can't legally ride my eBike, like Ski resort riding, MTB only trails in Moab, forest and BLM land.

My regular ride is a 2016 Bulls EVO E-Stream FS3 and it has been fantastic. Especially since converting it to a 1X, installing a dropper post and increasing the rotors to 203mm. It has allowed me to ride longer, to keep riding with my 23-yr old son and to ride without knee pain.

I recently bought a couple of Bontrager ION 800 R LED lights and have been night riding. Terrifyingly awesome!

1 week ago

@Boca, sorry to hear you are going through these issues. Normally things are really easy where it would take a few days to diagnose the issue and fix it.

I'm very surprised that the box wasn't opened, batteries inspected and charged up fully prior to giving them (one) to you. This is what happens I guess when steps get missed.

But happy that the new battery is up and running and the 2nd one is on it's way to you.

As mentioned above, our expereince with Bulls has very positive and customers love their bikes.

safe riding & best regards,


1 week ago

Hey guys, thanks for the new interest in my issue.

My bikes have been in a shop near Miami at the request of Bulls for evaluation. Communication with the shop has been difficult due to a language barrier, but they are sincere. Communications with Bulls has been on and off, but also sincere. The tech guy at Bulls in California is probably covering the whole country and has limited time to communicate, but here's the deal:

Bulls wanted the batteries hooked up and tested according to their protocol. The shop did that but one came back "incomplete and timed out." Bulls had a hard time getting the shop to finish that one, but Bulls finally decided to replace both batteries. The shop earlier said they tested fine, but they, like me, were unable to charge them with my chargers or theirs. Nobody is telling me what the problem is, but I finally pried some info out of the shop. They said there was a manufacturer lot of bad batteries wherein a case screw was grounding out one of the cells. So, my theory had been that my chargers were tripping out. I could hear them click when hooked up to the battery. So, I guess the batteries were shorted. The mystery is why two batteries would short out at the same time. I had had problems with one of the batteries from day one. It would never charge over 80 %, but both were chargeable until I ran them down to 20% and 40%.

The shop told me the new batteries had come in. It is an hour's drive for me. I got there and the box contained only one battery. The shop felt bad about it and said they would have the second battery delivered to me when it comes in. When I got home I charged the battery. It went to full charge and the charger acted normal. Looks like the chargers are OK - just a bad battery. Now if I can get the second battery I'll be good to go. UPS says the battery has been at their facility In Jacksonville since Feb 4 with no updates. Geez...what's going on?

1 week ago

@Boca indeed would love to hear to outcome. Sounds like a BMS issue within the battery. Multiple known chargers that are know to work that don't work when put on a battery would indicate a poor internal connection or a bad BMS. My guess is BMS.

Keep us posted on the outcome.

I am a big fan of the Bulls bikes and they are reliable. Liek anything nothing is 100% perfect but you at least have a brand that offers great support and a strong customer service attitude. They will get you back up an running.



1 week ago

My Levo is an aluminum hard tail so the handling of a full suspension Levo I can't really speak to. The Brose motor is great and is very quiet. This new Shimano e8000 motor is just about as quiet and I hardly notice its on. Both motors are really smooth and responsive. The Shimano motor is smaller and lighter and the Focus has a smaller battery in the down tube which is done on purpose to keep the bike lighter. Its in the neighborhood of 5 pounds lighter than the Levo and that weight is noticeable to me. Right now I'm loving the new firmware update that has the trail mode constantly sense torque from your pedaling and apply more power when you provide more power. Very cool.

1 week ago

Hi J I am currently looking at both the carbon Levo expert and Jam2 C plus pro and the fact that you have both was wondering which one do you like the best. I currently ride a Bulls e stream evo 45 fs and I really like the brose motor mainly for how quiet and smooth it is the main problem with the bulls is it weighs 56lbs. What is your impression of the brose vs the shimano e8000. Keep us posted as you ride the Jam2.

2 weeks ago

I bought a Bulls Green Mover E45 this year. Very good and decent bike with 1 mayor flaw: It only supports to 45 km/h - 28 mph in the highest support setting.

Sport: 45 km/h - 28 mph
Climb: 35 km/h - 20 mph
Tour: 35 km/h - 20 mph
Eco: 35 km/h - 20 mph

This bike contains the same hardware as the Bulls Outlaw. (Battery from BMZ, Engine from SR Suntour etc....)
I have been in contact with the following parties:

- My local bike shop says that Bulls does not provide any software updates
- Manufacturer (ZEG / Bulls) says that an update is not needed
- SR Suntour says that applying an update is possibly with a writing device that you plug on the controller and that it is really easy.

In this thread i noticed that the issue was resolved by applying a software update on a Bulls Outlaw:

I am looking and looking but can not find any way to update the software on my bike. It is really frustrating since the bike consumes a HUGE amount of battery in the highest Sport mode. But if i go down a level it only supports to 20Mph which is too slow.

What is even more frustrating is that the Hercules Alassio E45 supports all times to 32 mph. This is the sister model of my Bulls Green Mover and nearly the same.

Hope that somebody has the answer or can give some explanation for my dealer how this can be done. The bike would be perfect if this flaw could be removed.

Thanks and kind regards from the Netherlands.

2 weeks ago

Thanks for the info. I really want a Riiese &Muller (R&M) ebike with the Nuvinci hub & the carbon belt(Charger or Delite)! Why? I already own a Trek Single Speed with a carbon belt. The lack of constant maintenance required when compared to a chain and derailleur has been a godsend. However I am concerned because the ability to cruise comfortably between 25-28mph seems to be limited. I am a power rider who prefers spin at a moderate 60-80rpm in a higher/harder gear. The bike I buy, if it is a R&M, will have two batteries. I also don't plan to use it for commuting either. What I want most is a recreational, fun, fast, ride that will easily provide the opportunity to go off the designated bike path or road. With two batteries I plan to not be limited by distance and/or concern about the mode I'm in - be it Sport or Turbo! Even, if I buy the Bulls EVO TR Street, I plan purchase an extra battery.
The final factor will be test rides of both bikes. Hopefully the Nuvinci will have a larger gear range. Listening to Court very closely has caused me to infer that 28mph Speed Pedelcs from Bosch probably should have the 22 teeth front sprocket to counteract the decrease in torque, 75-60.
PS: There is a local Trek dealer within five minutes of my home that I trust to provide any services necessary. The shop sells Trek. Bosch, ebikes also, so I am not worried

2 weeks ago

Unfortunately I can't provide much advice because I have no experience with Bulls nor do I have experience with full suspension bikes. It could be a superb bike easily competitive with the R&M in which case I would say you might want to stay with the almost local Bulls dealer.

I do own the R&M Charger with the Nuvinci (28 mph bike). In the Detroit area, when I started shopping there was very little in the way of e-bike inventory available for test riding (still pretty much the case). After trying a bunch of bikes at an e-bike expo in Wash D.C. (not including Bulls or R&M) I opted to order the R&M as I knew the Bosch system and style of bike would meet my needs. I trusted in the R&M reputation. I ordered from Propel in Brooklyn but when it arrived from Germany I flew to Brooklyn to try it out (ensure the sizing and that I liked the bike). For me, ordering from a distant dealer (Propel) has worked out well for two reasons: 1). Propel is a good/honest outfit and is customer service focused - so everything with the sale and shipping was as-promised and they have been responsive to my follow-up questions; 2). I have an LBS that is mostly a Trek shop but which is Bosch certified - they are really receptive to servicing bikes that were not purchased from them and in fact they carry a large banner on the front of their store that says "we service all makes and models". So while sometimes it is a lottery there as to whether you'll get a tech with little or much experience, I know I have service available and they can figure out most issues. I suppose if I had a warranty issue with the R&M (and not the Bosch system) I might have to go through Propel but I am confident they would be helpful. Since I am a very bad bike mechanic, having an LBS nearby that is happy to service bikes they didn't sell took a lot of the risk out of my transaction.

In your case: Have you talked to the Bulls dealer and did they say they might get some demo bikes in soon? Again I think the bike will be available soon because Court showed it in his recent Urban Evo video. And I'd expect Court's review on the TR Street to hit this website any day now. So maybe the Bulls would be the way to go because you have a dealer fairly close. Of course the ideal is that you can try both bikes but I understand that will require some waiting and some logistical and perhaps expense issues. If you decide to have a bike shipped to you and if you aren't a great mechanic then I'd try to be sure that you have an LBS available that can provide basic bike service (wheel truing, brake bleeding etc). And for Bosch service, you'll have to go through a Bosch dealer regardless of where you buy. I would imagine that in the Chicago area it shouldn't be a problem to find a Bosch servicer. Some folks on this forum have said that some dealers will charge for firmware updates and such. I haven't had to perform service on the Bosch system yet so I can't speak to this.

As for the Nuvinci, I've expressed my opinion in my thread about the Charger. It isn't a bad system and it is working for me but when/if I replace my R&M, I won't select the Nuvinci system. I have mostly flat terrain for my commute and the Nuvinci doesn't quite have the gear range to allow me to cruise under that 28 mph cut-off comfortably. I can cruise maybe at about 23 mph but at that speed I'm spinning pretty fast. I have hit 26-28 mph in short bursts but I'm really spinning and working hard. I have only once surpassed 28 mph on a flat and that was with good pavement and a strong tailwind. I can't help but having the feeling, when I am at the end of the gear range and cruising on a flat, that I am just lacking one more gear. For most of my commute, the top speed isn't so relevant because I have a lot of start/stop city riding. But for the couple of stretches I have where I can do some cruising, I would really like an "extra gear". The system has been reliable so far and as I've learned to use the Bosch assist levels like gears (mostly Eco to Tour sometimes to Sport) then I find I don't have to worry about changing gears that much. This contrasts to my Haibike with derailleur where I'm shifting all the time.

Ian Mangham
2 months ago

Should have put the welgo ally platform pedals everybody loves smh

5 months ago

I never really respected the brand, but this one is a beauty! And so are the electric Black Adder models.
Another advantage is compatibility with handlebar bags.
Also, interestingly, unlike the e-Stream EVO, the carbon Black Adder E models have integrated eyelets for the rack. A big plus, too: rack eyelets in a carbon frame!

William T
1 year ago

Great bike and not that heavy at all... my freeride bike weighs ~43 pounds I believe and that's just aluminum ... this bike is still way too expensive IMO :/

jose ignacio alvarez
1 year ago

QUE MEDIDa tiene esa cámara las ruedas

Mustafa للجيت بي
1 year ago

I want to like him, but my father does not accept

Ian Mangham
2 months ago

Mustafa للجيت بي Say Whaaaat

1 year ago

About time you do a decent bike and stop with the BS bikes.

Robert Groves
1 year ago

Love the bulls bikes, they know how to build a good looking bike and make it look like a regular bicycle.

1 year ago

Why are all these mid-drive bikes only 36v? are there any bosch setups that do 48v?

Ian Mangham
2 months ago

Carlospicywiener Because it's enough

Robert Silvers
3 months ago

Why do you care? Only watts matter for power, and amp-hours matter for range.

Alex Paulsen
1 year ago

Voltage usually bumps the RPM up, and RPM isn't exactly desirable for many laws regarding electric bicycle speeds etc.

Chris Till
1 year ago

It looks cool but it still just looks far too similar to a cheap mountain bike I owned 15 years ago. The only EBike I've seen that really looks like what a modern bike should be is the GoCycle. If you meshed a GoCycle with a full size bike like this, it would be awesome.

Magnesium rims, totally hidden cables and super easy to remove wheels are what excite me now and we're not seeing enough real innovation in cycling.

Seb K
1 year ago

+Chris Till You need to maintain your bikes like you do with a car or motorbike .As long as you oil the chain and make minor adjustments you're fine . Hub gears, gear boxes and sealed drivetrains are heavy as hell . The derailleur system is the lightest you can get . My demo ride on the Gocycle was short but it was enough to convince me not to get it but again these are our opinions . You don't like this bike and I do, you like the Gocycle and I don't . We can all agree that we like this channel though .

Chris Till
1 year ago

Seb K I can't speak to how it performs, but it looks like the future. This looks like the past with some future bolted on. The gears are still going to get out of alignment and make a crackling noise. The chain will still rust after a year of use here if it's ridden in the rain.

Seb K
1 year ago

The Gocycle is rubbish . It looks nice and has some neat folding features but it is weak, slow and handles not so great .

Brady Loughner
1 year ago

You should check out a "super 73"from lithium cycles

Hayden Wilde
1 year ago

Thanks for all your awesome videos Court. I love these Bulls e-bikes, its the big battery's that sell it for me, i live at the bottom of a big valley its uphill in all directions. seriously considering getting one of these :)

Jordan Smith
1 year ago

New York, L.A, Denver. You are always somewhere new. If you drive to all these locations your car must have a million miles on it

Dejan Loncar
1 year ago

great bike!

/Pol/ack The Polack
1 year ago


1 year ago

nice bike.

Larry Conger
1 year ago

I'm guessing you like the Bosch motor the best Court? I know you don't show favoritism but I have 3 Bosch motors and they seem the best but I have no clue on the Brose motor but can you explain what you like better pls

Eric Bourdages
1 year ago

Très intéressant votre chronique