The BULLS SIX50 E FS Rsi is a full-suspension MTB powered by what many deem to be the industries top eBike motor, the Bosch CX Performance Line 350W.


The mid-engine design contributes to the low center of gravity, and delivers to the great handling of the SIX 50.  Riding any of our Bulls e-MTBs, you will find that the weight contributed by the motor and battery actually help lower the overall center of gravity of the bike, making the bike easier to handle and throw around while riding.  It actually creates a better riding experience!


The power is supplied by a 36V, 500 watt-hour battery that sits on the downtube.


120mm of travel combined with 27/5” wheels, the new BULLS SIX50 E FS dominates any trail. 


Equipped with  RockShox Reba RL suspension this mid-travel bike  keeps the rubber on the ground and delivers a superior ride.  A remote lockout located on the handle bars quickly alternates the fork between rigid and an open position.


The Shimano Deore brakes ensure smooth braking in even the most extreme conditions. An 11-speed rear Shimano XT set-up gives you plenty of gear range no matter where you’re riding.


A mid-engine design with Bosch’s CX Performance Line 350W leaves the motor tucked away in the bottom bracket shell for an ideal center of gravity. With a small drive pinion, Bosch engines guarantee the great performance and the best reliability in the industry. 


An innovative chain guide  reduces the drive influences to the suspension. The design not only helps the kinematics of the rear swing-arm but also prevents the chain from hitting the chainstay.


The FS 3 RSI includes a Bulls Skid Plate to help protect the rider and the motor. The exclusive protection prevents damage caused by stone rock chipping and bouncing.


Power is supplied with  a 500 watt-hour battery that has a performance range of up to 200 KMS, with  a charge time of 3.5 hours making it one of the quickest to charge on the market.

Power options are available in four diffent modes: Eco, Tour, Sport and Turbo.

SIX50 E FS 3 RSI 27.5  500W


                        Financing OAC

            Please Contact us for more info!

Was: $5,299     Now:  $3,999 +GST

Frame:                               7005 Aluminium

Frame Size:                       46/51/56cm

Fork:                                  Rock Shox Reba RL 27.5 Solo Air, 120mm OneLoc remote lockout, 15mm thru axle

Rear Derailleur:                 Shimano Deore XT RD-M8000-GS, 11-speed, shadow plus

Shifters:                             Shimano SL-M8000, 11-speed

Crankset:                           FSA WA642 15T

Brakes:                              Shimano Deore BR-M615 Ice Tech hydraulic disc brake 180/180mm

Chain:                                KMC X11E

Cassette:                           Shimano Deore XT CS-M8000-11

Handlebar:                        BULLS

Stem:                                 BULLS

Seat Post:                          BULLS

Saddle:                              STYX

Rims:                                  Bulls HC-30D Lite

Wheel Size:                        27.5

Tires:                                  Schwalbe Rocket Ron Evolution Liteskin 27.5×2.25 TL-Ready

Pedals:                               Wellgo

Weight:                               48 lbs. (approx.)

Powerpack:                        36V/13.4Ah/500Wh

Modes:                               Eco, Tour, Sport, Turbo

Charging Time:                  approx. 2.2hrs to 80%,  approx. 3.5hrs to 100%

Battery Range:                   215KMS on 500wh (single charge at the optimal condition)

Max. Speed:                       32KMPH

Specifications Subject to Change Without Notice.


Independant review on this bike by EBR!

North Calgary Store Location

630 46 Ave NE, Calgary, AB T2E 8M9, Canada

South Calgary Store Location

15220 Shaw Rd SE, Calgary, AB T2X 2A1


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