BULLS WILD FLOW EVO RS Review

Bulls Wild Flow Evo Rs Electric Bike Review
Bulls Wild Flow Evo Rs
Bulls Wild Flow Evo Rs Fazua Evation Bottom Bracket Gearbox
Bulls Wild Flow Evo Rs Fazua Evation Drivepack Motor Battery 252 Watt Hours
Bulls Wild Flow Evo Rs Handlebar Fazua Remote Led Control Pad
Bulls Wild Flow Evo Rs Fox Float 34 Rhythm Air Suspension Fork 120mm Travel
Bulls Wild Flow Evo Rs Downtube Fazua Button Release Monkey Link Magnetic Bottle Adapter
Bulls Wild Flow Evo Rs Magura Mt5 Hydraulic Disc Brakes 180mm Rotors
Bulls Wild Flow Evo Rs Fox Float Dps Rear Air Suspension 120mm Travel
Bulls Wild Flow Evo Rs Kind Shock E201 Dropper Post
Bulls Wild Flow Evo Rs Fsa 38 Metatooth Nw Chainring
Bulls Wild Flow Evo Rs Schwalbe Nobby Nic 29er Tires
Bulls Wild Flow Evo Rs 11 Speed Shimano Deore Xt
Bulls Wild Flow Evo Rs 2 Amp Fazua Ebike Charger
Bulls Wild Flow Evo Rs Fazua Battery Drivepack Charger
Bulls Wild Flow Evo Rs Stock High Step Left Side
Bulls Wild Flow Evo Rs Stock High Step Black
Bulls Wild Flow Evo Rs Electric Bike Review
Bulls Wild Flow Evo Rs
Bulls Wild Flow Evo Rs Fazua Evation Bottom Bracket Gearbox
Bulls Wild Flow Evo Rs Fazua Evation Drivepack Motor Battery 252 Watt Hours
Bulls Wild Flow Evo Rs Handlebar Fazua Remote Led Control Pad
Bulls Wild Flow Evo Rs Fox Float 34 Rhythm Air Suspension Fork 120mm Travel
Bulls Wild Flow Evo Rs Downtube Fazua Button Release Monkey Link Magnetic Bottle Adapter
Bulls Wild Flow Evo Rs Magura Mt5 Hydraulic Disc Brakes 180mm Rotors
Bulls Wild Flow Evo Rs Fox Float Dps Rear Air Suspension 120mm Travel
Bulls Wild Flow Evo Rs Kind Shock E201 Dropper Post
Bulls Wild Flow Evo Rs Fsa 38 Metatooth Nw Chainring
Bulls Wild Flow Evo Rs Schwalbe Nobby Nic 29er Tires
Bulls Wild Flow Evo Rs 11 Speed Shimano Deore Xt
Bulls Wild Flow Evo Rs 2 Amp Fazua Ebike Charger
Bulls Wild Flow Evo Rs Fazua Battery Drivepack Charger
Bulls Wild Flow Evo Rs Stock High Step Left Side
Bulls Wild Flow Evo Rs Stock High Step Black

Summary

  • A light 42lb full suspension cross country electric mountain bike with premium blacked-out paint job and ALL accessories, comfortable carbon fiber main frame (alloy rear triangle), the battery and motor are built into one removable drivepack that can be swapped out for an optional storage cover so you can ride as an even lighter acoustic bike
  • High quality Fox air suspension front and rear, Boost hub spacing provides sturdy spoke bracing angles and easy quick release, both disc brake rotors offer quad piston calipers for smoother more powerful stops, Monkey Link magnetic light and bottle connection points (accessories sold separately)
  • Quiet Fazua motor is lighter than most competing products but still provides good torque for steeper climbs, up to 60 newton meters, excellent 11-speed Shimano Deore XT drivetrain with wide 11-46 tooth cassette and narrow-wide chainring to reduce drops on bumpy terrain
  • Limited battery capacity compared to other current-generation products, relatively high price tag, battery must be removed to charge and opened to power on after eight hours of disuse, very basic display but there's an optional mobile app for more feedback, BULLS has a large network of dealers with good warranty, this model comes in three frame sizes for improved fit

Video Review

Introduction

Make:

BULLS

Model:

WILD FLOW EVO RS

Price:

$5,999

Body Position:

Forward

Suggested Use:

Trail, Mountain

Electric Bike Class:

Pedal Assist (Class 1)
Learn more about Ebike classes

Warranty:

2 Years on Battery, 30 Months on Drive Unit, 5 Years Frame

Availability:

United States, Canada

Model Year:

20192020

Bicycle Details

Total Weight:

42.2 lbs (19.14 kg)

Battery Weight:

3.1 lbs (1.4 kg)

Motor Weight:

4.2 lbs (1.9 kg) (2.8lb 1.31kg Bottom Bracket Transmission)

Frame Material:

UD Carbon Frame, Alloy Rear Triangle

Frame Sizes:

17.32 in (43.99 cm)18.89 in (47.98 cm)21.25 in (53.97 cm)

Geometry Measurements:

44cm Medium: 17.5" Seat Tube, 22.5" Reach, 29.5" Stand Over Height, 35" Minimum Saddle Height, 30" Width, 76.5" Length

Frame Types:

High-Step

Frame Colors:

Matte Black with Gloss Black, Silver, and Gloss White Accents

Frame Fork Details:

Fox Float 34 Rhythm Air Suspension, 120mm Travel, 51mm Rake, Compression Adjust, Rebound Adjust, 34mm Stanchions, Black Anodized Coating, Boost 110mm Hub Spacing, 15mm Thru Axle with Quick Release

Frame Rear Details:

Fox Float DPS Air Suspension, 120mm Travel, 3 Position Compression, Preload Adjust, Black Anodized Coating, Boost 148mm Hub Spacing, 12mm Thru-Axle with Quick Release

Attachment Points:

Bottle Cage Bosses, MonkeyLink Magnetic Bottle Adapter, MonkeyLink Headlight Interface, MonkeyLink Rear Light Interface

Gearing Details:

11 Speed 1x11 Shimano RD-M8000-GS Deore XT with Shadow Plus and One Way Clutch, Shimano CS-M7000 11-46 Tooth

Shifter Details:

Shimano SL-M8000 Triggers on Right (Two-Way High, Three-Shift Low)

Cranks:

FSA, Aluminum Alloy, 165mm Length, 38 Tooth Chainring, 104 Bolt Circle Diameter, Megatooth Narrow Wide

Pedals:

BULLS Branded Wellgo Plastic Resin Platform

Headset:

FSA Orbit, 1.5 Zero Stack, Semi-Integrated, Sealed Cartridge Bearing, Tapered 1-1/8" to 1-1/2"

Stem:

Monkey Link Branded Kalloy, Aluminum Alloy, 0° Rise, 55mm Length, 31.8mm Clamp Diameter

Handlebar:

BULLS Branded Kalloy, Low Rise, 740mm Width, 25mm Rise, 9° Bend

Brake Details:

Magura MT5 Hydraulic Disc with 180mm Rotors, 6-Bolt Type, Quad Piston Calipers, Magura Two-Finger Levers with Adjustable Reach

Grips:

Velo, Flat, Rubber, Locking, 135mm Length

Saddle:

Selle Royal Verve

Seat Post:

Kind Shock E201 Dropper (100mm Travel), Aluminum Alloy

Seat Post Length:

375 mm

Seat Post Diameter:

30.9 mm

Rims:

BULLS Branded, Double Wall, Alloy, ETRTO 622x30c, 32 Hole, Asymmetric Design, Tubeless Ready

Spokes:

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

Tire Brand:

Schwalbe Nobby Nic, 29" x 2.35" (60-622)

Wheel Sizes:

29 in (73.66cm)

Tire Details:

25 to 50 PSI, 1.6 to 3.5 BAR, Performance, ADDIX Compound

Tube Details:

Presta Valve

Accessories:

Clear Sticker Slap Guard, Optional Storage Bay Downtube Cover (Replaces Battery and Motor in Downtube), Optional Remote fX (Requires New Version of Locker for $47)

Other:

1.4lb Two Amp Charger with Magnetic Rosenberger Plug, Maximum 85 RPM Motor Support, AXA Locking Core, Small Q-Factor

Electronic Details

Motor Brand:

Fazua Evation

Motor Type:

Mid-Mounted Geared Motor
Learn more about Ebike motors

Motor Nominal Output:

250 watts

Motor Peak Output:

400 watts

Motor Torque:

60 Newton meters

Battery Brand:

Samsung 3200Ma 18650 10 Series 2 Parallel

Battery Voltage:

36 volts

Battery Amp Hours:

7 ah

Battery Watt Hours:

252 wh

Battery Chemistry:

Lithium-ion

Charge Time:

3.5 hours

Estimated Min Range:

20 miles (32 km)

Estimated Max Range:

50 miles (80 km)

Display Type:

Fazua Remote, Fixed, Color LED, Buttons: Up, Power, Down, (Top LED Illuminates in Red or Yellow to Communicate an Error, See Dealer)

Readouts:

Battery Level (10 Bars), Assist Level (Green BreezeMode, Blue RiverMode, Pink RocketMode)

Drive Mode:

Advanced Pedal Assist (Measures Rear Wheel Speed, Pedal Cadence, and Pedal Torque in Real Time, Green BreezeMode 75% 125 Watts, Blue RiverMode 150% 250 Watts, Pink RocketMode 240% 400 Watts)

Top Speed:

20 mph (32 kph)


Written Review

To run the forums, host the website, and travel, I charge a universal service fee for my reviews. This in-depth review was sponsored by BULLS North America. My goal is to be transparent and unbiased with you, this video and writeup are not meant to be an endorsement of BULLS products. I welcome your corrections, additions, and feedback in the comments below and the BULLS electric bike forums.

Observations:

  • UPDATE: One of our shop partners has notified us that Monkey Link “Connect” is not enabled and users cannot attach lights wired to the battery as recorded in this review. Also, the bike may not come with a handlebar remote. I am putting these notes here, because I want the rest of this review to reflect what was seen on site with BULLS, even though the bike shown might not match what dealers are getting now (which is sometimes the case for pre-season reviews as well as prior year content).
  • The bike uses 29″ wheels even though it has Boost hub spacing, I’m used to seeing 27.5″ plus sized tires on a setup like this. Perhaps the narrow 2.35″ wide tires reduce friction and weight compared to 2.6″, 2.8″ or 3.0″ and you get a slightly lower attack angle here as well
  • For this review, we were looking at the medium sized frame, 44cm, and it felt a little small to me as a 5’9″ guy with 30″ inseam… I wished that the dropper post could have had a longer base or extended higher because I wasn’t getting full leg extension
  • This is one of the few full suspension electric bikes that I’ve seen with a carbon fiber frame, this offers some vibration dampening and reduced weight but isn’t as durable as aluminum alloy, the rear triangle is aluminum alloy

Pros:

  • The Fazua Evation drive system is incredibly lightweight, it consists of three parts including the bottom bracket gearbox (2.8lbs), removable motor (4.2lbs), and removable battery (3.1lbs), that helps to make the WILD FLOW EVO RS one of the lightest full suspension cross country electric bikes I’ve ever reviewed at just ~42lbs
  • Unlike almost every other ebike drive system I’ve tested to date, you can easily remove the Fazua motor and battery (which click together to form the “drivepack”) and replace them with an optional $80 downtube cover to form a non-electric bike that only weighs a couple pounds more than if it were truly non-electric acoustic
  • The Fazua gearbox bottom bracket is physically smaller and narrower than most competing mid-drive systems I’ve tested, it features a minimum spindle width of 133mm and smaller q-factor… this isn’t as relevant for the WILD FLOW EVO RS however, given the wide Boost hub spacing
  • Sturdy 15mm and 12mm thru-axles on the front and rear wheels provide strength for off-road use and the Boost hub spacing provides a stronger spoke bracing angle, the rear spokes are slightly thicker at 13 gauge vs. the front 14 gauge, I find that thru-axles reduce flex and disc brake rub
  • Attention to detail with a clear plastic sticker slap guard that protects the right chain stay, I also appreciate the Monkey Link magnetic light attachments at the stem and seat clamp as well as downtube bottle adapter (which can be removed to reveal standard bottle cage bosses below)
  • Available in three frame sizes for optimal fit, given the reduced motor power offered by Fazua it’s more important to be fitted properly on these ebikes because they require more rider work… so starting with the correct size is important and you should be able to test ride this and other BULLS models at their massive dealer network
  • The Fazua motor controller measures rear wheel speed, pedal cadence, and pedal torque to provide smooth natural power output… I never felt a strong lurch of on and off like many cadence sensing only ebikes
  • Nice Magura MT5 hydraulic disc brakes, 180mm rotors front and rear, with upgraded quad-piston calipers that improve grab by providing a longer and more even braking surface
  • The Fazua battery charger is really compact and lightweight, I like that the wall-side cord can be unplugged from the charging brick and that they went with the universal Rosenberger magnetic interface vs. making their own proprietary port, the magnetic plug will simply pop out of the charge port vs. pulling hard and possibly moving the battery or damaging the interface if you trip over the cable
  • With such a small and lightweight battery (3.1lbs) it would be easy to buy additional packs to load into bike bags or a backpack to extend your range, almost every single competing ebike battery I’ve seen is physically longer and much heavier
  • Impressive two year battery warranty and 30 month drive system warranty from Fazua (distributed by Quality Bicycle Products QBP in North America), plus a five year bike frame warranty from BULLS, I like that there are many shops in North America that carry BULLS products, so you can take test rides, get fitted, purchase accessories, and get help with tuneups
  • In Europe, the Fazua motor is limited to 25km/h (roughly 15.5mph) but the North America Evation has been upgraded to reach 32km/h (roughly 20mph) based on different legal framework for Class 1 ebikes, the power output remains 250 watts to 400 watts peak
  • Just in case you’re wondering, I was told that the RS in the bike name stands for “racing spec” which makes sense given the high-end Fox air suspension, Shimano Deore XT drivetrain (with extra wide 11-46 tooth setup on the cassette and narrow-wide chainring for reduced drops), and Magura hydraulic disc brakes
  • All of the components are black and the paint design looks great to me, notice the black hubs, spokes, rims, suspension stanchions, dropper post stanchion etc. which could have been silver, gold, or other colors if they weren’t scrutinizing every detail
  • I like how BULLS has designed the rear wheel speed sensor to be integrated into the rear disc brake rotor for many of their electric bikes, it’s protected better than spoke-mounted magnets and keeps the left chain stay from collecting as much mud and debris

Cons:

  • The battery cannot be charged while mounted to the frame! You have to unlock and physically remove the Drivepack each time you want to charge this electric bike, which is inconvenient and hazardous without a kickstand
  • If you’re using the default included handlebar Fazua display to operate this ebike, you’ll need to prime the battery by pressing a button at the top end of the pack before the system can fully turn on… and this requires unlocking and half-opening the battery/motor drivepack, this is inconvenient every time you want to ride, especially without a kickstand to stabilize the bike… the one saving grace is that once the battery has been powered on, it will stay alert for about eight hours before going into sleep mode again, during this window of time, the display unit can be activated independently
  • In my experience, the Fazua Evation drive system feels weak compared to other mainstream ebikes, it doesn’t provide the same zippy feel when starting or maintain higher speeds as easily, it’s a Class 1 system that is limited to 20mph with a maximum pedal cadence of 80 RPM verses 100 to 120+ RPM offered by Bosch, Yamaha, Brose, Shimano, and Bafang
  • Priced at $5,999 the BULLS WILD FLOW EVO RS is definitely at the more expensive end of electric bikes, and in my opinion it’s a compromise between being an awesome electric bike or an awesome acoustic bike… it doesn’t do either perfectly because of the weaker motor and smaller battery and then a slightly heavier/bulkier acoustic bike setup
  • With a battery capacity of 252 watt hours (36 volts, 7 amp hours), this electric bike offers less than half the capacity of most other current-generation products which means less support and less range… the motor doesn’t uses as much power and the bike weighs much less than competitors, but there’s still just less support on offer
  • The control pad is very basic, there are three levels of assist and a 10-bar battery charge level indicator, you can’t tell how fast you’re going, how far you’ve ridden, or get other detailed feedback without using the optional smartphone app… there is no USB charging port to fill and maintain a phone while using the app and so far, the app has pretty limited features (at least in North America) with battery percentage, motor power level in watts, and current speed in mph or km/h
  • This is a little gripe that I have about many mid-drive ebike systems: when you pedal backwards, the chainring does not cycle… the crank arms just spin, which could make servicing the drivetrain more difficult if you don’t have access to a bike stand
  • As with most high-end full suspension mountain bikes (electric or otherwise) there is no kickstand included with this ebike, but I would have liked the option to add a kickstand aftermarket using pre-drilled eyelets which appear on some other BULLS models
  • The multi-step motor/battery removal process can feel a bit precarious, especially because the battery comes out of the downtube and there being no kickstand… consider getting help or maybe laying the bike down on its left side so you don’t drop the battery or the bike
  • The stock handlbar mounted Remote display uses lots of LED lights, and it cannot be dimmed or turned off without de-activating the bike, I feel like the lights could be bright at night and a bit annoying to some riders… black electrical tape could help with this :) I also miss being able to see my current speed, pedal rpm, odometer, trip meter, and other advanced readouts like range that many LCD displays now offer
  • The battery locking cylinder is on the non-driveside of the bike… which is the side that generally gets laid down onto the ground, not only could dirt and debris get in, but you won’t be able to reach it as easily if you’re laying the bike down to remove the battery pack since there’s no kickstand
  • I don’t think the Fazua drive system offers walk mode, I wasn’t able to figure it out… so please chime in if you’ve got an answer, this could be a bummer if you get a flat tire or have to push the bike up an excessively steep or technical section that isn’t rideable
  • It seems like the gearbox bottom bracket makes a loud clicking noise when coasting, it reminds me of high-end cassettes with pawls that click at faster and louder rates if they are more expensive, for me it can be a bit distracting (see in the video at 20:14 and 22:23)

Useful Resources:

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  • MSRP: $4,899
  • MODEL YEAR: 2019, 2020

A women's specific full suspension electric mountain bike with high quality hardware from Shimano, Magura, Fox, Schwalbe and Bosch, available in two frame sizes with sloped top tube for easy mounting and stand over. Highly adjustable air shocks are lightweight, allow you to sag the frame to match your…...

BULLS E-STREAM EVO 45 AM Review

  • MSRP: $5,499
  • MODEL YEAR: 2019

One of the only full suspension mountain bikes from a premium brand that offers Class 3 high speed performance (28mph, 45km/h), long travel 150mm air suspension supports all mountain riding. Excellent weight distribution and drive system integration, the motor and battery are virtually hidden in…...

BULLS STURMVOGEL EVO Street Review

  • MSRP: $3,999
  • MODEL YEAR: 2019

Sporty urban electric bike available in metallic grey or glossy white, premium fenders and front rack add utility, mounting points for a rear rack and bottle cage, quiet Brose Drive T mid-motor. Beautiful stitched ergonomic grips and leather saddle from Velo, unique brown tires with whitewall sides…...

BULLS Cross Lite EVO Review

  • MSRP: $4,399
  • MODEL YEAR: 2019

One of the most popular BULLS electric bikes, available in three frame styles and four frame sizes, fully-integrated Bosch PowerTube battery looks great and improves balance. Powerful Bosch Performance Line CX motor offers high torque for heavy loads and capable climbing,…...

BULLS CROSS E8 Review

  • MSRP: $3,199
  • MODEL YEAR: 2018, 2019

A feature-complete city ebike running the new Bosch Active Plus motor, it's lighter, more efficient, and quieter than previous Active Line iterations, and the compact design is very hidden. Integrated lights and reflective tires keep you safe, the unisex color scheme is professional and…...

BULLS CROSS MOVER SPEED Review

  • MSRP: $3,999
  • MODEL YEAR: 2018, 2019

A sporty speed pedelec with beautiful motor, battery, and able integration, the grey and black color scheme help the drive systems blend in, three frame styles to choose from (wave, step-thru, diamond). Bosch Performance Line Speed motor offers ~28 mph support, shift detection, and 120 RPM pedal…...

BULLS E-STREAM EVO AM 4 Review

  • MSRP: $5,399
  • MODEL YEAR: 2018

A high-end, full suspension, electric mountain bike, with the high-torque Brose S mid-motor, and a high-capacity 37 volt 17.5 amp hour Lithium-ion battery, excellent weight distribution with hidden drive systems. Rugged all-mountain performance with 150 mm RockShox air suspension front and rear, 15 mm and…...

BULLS URBAN EVO Review

  • MSRP: $4,399
  • MODEL YEAR: 2018, 2019

One of the stealthiest 28 mph urban electric bikes I have seen, the Bosch Powertube battery pack is completely hidden inside the downtube and the compact black motor casing blends perfectly with the matte black paint job. The mid-motor is angled up to blend into downtube visually, increase ground clearance, and shorten…...

BULLS SIX50 EVO AM 4 Review

  • MSRP: $7,399
  • MODEL YEAR: 2018, 2019

A top-end all mountain electric bike with 150 mm suspension from Fox, Shimano Deore XTR 11-speed drivetrain, Bosch CX high-torque motor, and Magura MT Trail hydraulic disc brakes. Wider Boost hub spacing offers a strong bracing angle for the spokes and room for…...

BULLS LACUBA EVO E45S Review

  • MSRP: $3,899
  • MODEL YEAR: 2018, 2019

A high-speed 28 mph commuter style electric bike that comes in four frame sizes and three styles (high-step, mid-step, and step-thru), it offers excellent weight distribution (motor and battery are positioned low and center). Beautiful aesthetic with hidden wires, an internally mounted battery, and a smaller motor casing, the…...

BULLS E-CORE Di2 FS 27.5+ Review

  • MSRP: $5,999
  • MODEL YEAR: 2018, 2019

A full suspension electric trail or enduro mountain bike with 150 mm travel, large 2.8" plus sized tires, and Boost hub spacing for strength, made in three frame sizes. All-black frame, fork, and anodized RockShox stanchions makes for a mean look, Shimano STePs E8000…...

BULLS LACUBA EVO E8 Review

  • MSRP: $3,799
  • MODEL YEAR: 2018

One of the most popular models in the Bulls ebike lineup, it comes in four frame sizes and three styles (high-step diamond, mid-step, and step-thru wave), motor and battery weight are low and center. Extremely stealthy, the drive system and battery are almost completely hidden on this frame and…...

BULLS MONSTER E FS Review

  • MSRP: $5,499
  • MODEL YEAR: 2018, 2019

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…...

BULLS SIX50 EVO AM 3 Review

  • MSRP: $5,499
  • MODEL YEAR: 2018, 2019

An all-mountain style electric bike with longer travel 150 mm air suspension from RockShox, an internalized downtube battery from Bosch, and three frame size options. Fatter 2.8" plus sized tires provide increased traction, reduced deflection, and improved comfort while remaining…...

BULLS CRUISER E Review

  • MSRP: $3,299
  • MODEL YEAR: 2018, 2019

A feature-complete cruiser style electric bicycle with paint-matched fork, fenders, rear rack, chain cover, and motor casing, available in three frame sizes with adjustable stem for good fit. Large sprung saddle, puffy stitched grips, swept back handlebars, and the deep step-thru frame make…...

BULLS AMINGA TR 1 Review

  • MSRP: $4,299
  • MODEL YEAR: 2018, 2019

A full suspension, cross country style, electric mountain bike made just for the ladies with shorter reach, available in two smaller size options, features a turquoise fuchsia colorway. Sturdy Suntour XCR 34 air suspension fork with remote lockout for easy transitions from rough…...

BULLS TWENTY4 E Review

  • MSRP: $2,899
  • MODEL YEAR: 2018, 2019

A tough, sporty looking, high-quality, kids electric bike that can reach ~15.5 mph with four levels of pedal assist, smaller wheels keep the frame low and approachable. Premium accessories including tires from Schwalbe, a Shimano Altus 8-speed drivetrain, and Tektro hydraulic disc…...

BULLS CROSS E Review

  • MSRP: $2,799
  • MODEL YEAR: 2017, 2018, 2019

Well priced considering the quality Bosch-made electric drive system, four frame size choices, and three frame styles (high, mid, and low-step). Integrated LED lights and premium Continental tires with reflective sidewall stripes help to keep you…...

BULLS E-STREAM EVO FS 2 27.5 Plus Review

  • MSRP: $4,099
  • MODEL YEAR: 2017, 2018

One of the cleanest looking full suspension cross country electric bikes I've reviewed, the battery and motor are built into the frame and match the matte black paint perfectly. Extra large battery capacity for longer rides, EnergyBus magnetic charging standard works on or off…...

BULLS SIX50 E 1.5 Review

  • MSRP: $3,099
  • MODEL YEAR: 2017, 2018, 2019

A hardtail trail ready e-bike with comfortable plus sized tires and a spring suspension fork (with lockout), sturdy tapered head tube, rigid thru-axles, and Boost up front. Capable as a commuting platform if you prefer a mountain bike vs. hybrid or city…...

BULLS CROSS LITE E Step-Thru Review

  • MSRP: $4,099
  • MODEL YEAR: 2017, 2018

An active, sporty looking, commuter style electric bike with low standover height, available in three frame sizes to improve fit and comfort. High-end drivetrain and motor systems, you get eleven gears with a tough mountain bike level…...

BULLS SIX50+ E FS 3 Review

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

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…...

BULLS E-STREAM EVO 45 FS Review

  • MSRP: $5,199
  • MODEL YEAR: 2017, 2018

A high quality full suspension e-mountain bike that's also a speed pedelec (capable of 28 mph top speeds), solid hydraulic disc brakes, wide thru-axles with Boost Technology. Adjustable 150 mm RockShox suspension front and rear, four-bar rear swing arm to reduce brake…...

BULLS E-STREAM EVO 3 Carbon 27.5 Plus Review

  • MSRP: $4,599
  • MODEL YEAR: 2017

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 E 2 STREET Review

  • MSRP: $3,899
  • MODEL YEAR: 2017, 2018, 2019

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, 2019

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…...

2017 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…...


Comments (6) YouTube Comments

Ron Solomon
5 years ago

Hi Court, great review but with all due respect is there any way of having bikes from this category (I call them light, power assisted bikes to try to differentiate them) reviewed by someone else who doesn’t suffer from knee injuries? I have an Orbea Gain, so different system but the same general idea. These bikes aren’t meant to appeal to the type of person who wants tons of power and “stuff” like panniers, racks, etc. There’s nothing wrong with those heavy bikes but they appeal to people who have health issues and can’t really cycle anymore or those who are trying to get from point A to B as quickly as possible and with as little effort as possible. That’s totally not the target audience of light bikes, which appeal to people who want to cycle, want a bike that is light and handles like a normal bike and just need a little bit of help now and again to keep up with friends or handle some hills. This type of rider would never consider something like an R&M or some of these other 50-60 odd pound bikes. Light bikes are selling well and getting great reviews from other biking oriented sources, so being told that they won’t zip you along by ghost peddling at 28mph for 60 miles on turbo mode isn’t really adding anything for people who want this type of bike. Talking about how they handle, how easy they are to use without assist, that is what matters to anyone who has any interest in a light ebike. Anyhow, don’t mean to be critical, but reviewing this type of bike with the same criteria used for bikes that have a completely different audience and objective is doing a disservice to them.

  Reply
Court
5 years ago

That’s a good suggestion, Ron! As the season winds down a bit, we’re working on some engineering projects and categorization updates. I feel like this is a great suggestion and appreciate you taking the time to share it. I think you’re correct about different criteria. In the video, I really tried to communicate how this bike fits into a different sort of space and is in between acoustic and full power, I’ll keep working on this communication and ways to help people find the bikes that offer this type of experience here on the site :)

  Reply
5 years ago

For buyers w/o the sugar coat: in other words it is a completely useless, underpowered ebike, fashioned with the cheaply made and extremely inferior Fazua Chinese system. All for just 7grand.

What was Bulls thinking? Are we making an ebike, a prototype? or just want to see if people will be gullible of our subpar product? To add insult to the injury of spending your hard earned American dollars, for charging the pack you would have to spend an additional 30-45seconds of securing/parking the ebike so that it won’t fall, unmount the battery and charge it off the ebike. Then repeat process for mounting it. Did I mention that you have to pay 7k for this free fitness exercise? Zero sales anyone?

  Reply
Court
5 years ago

Fair points, I do think there’s a subset of users that would really enjoy this ebike, but it felt like a niche product to me… it’s the first Fazua to hit the market here, so maybe we will see things improve in future versions :)

  Reply
Rich
4 years ago

I just took delivery of the WILD FLOW EVO RS and I would like to update a few things from this review. My bike came with two threaded holes at the rear just under the axle 18mm apart – Bulls sells a kickstand with 18mm spacing. I’ve ordered it hoping that it will work on this bike.

My bike came with a frame integrated control (not on the handlebar) and the updated 250X version of the battery which allows you to wake the battery without having to remove it.

So far, I am impressed with the torque from this motor and how light the bike feels. If you want an alternative to the over-priced Specialized Turbo Levo SL, this is an excellent choice with 60Nm of torque, considerably more than the Specialized.

I am very happy with this bike so far. If you want some assist when you are tiring, this bike is great. If you want the bike to always do most of the work and don’t mind more heft, there are plenty of less expensive choices that will do a better job.

  Reply
Court
4 years ago

Thanks for the update about their latest builds on this bike, Rich! Sounds like it’s working well. I’m so glad that they updated the battery so you don’t have to remove it in order to wake the bike… that’s huge, especially if you don’t have a handlebar remote!

  Reply

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