Bulls E-Core DI2 FS 27.5+

Bulls E-Core DI2 FS 27.5+
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So maybe you didn’t need a chairlift in the first place. The crazy rollers, drop after climb, after drop after climb, are more your vibe and you’re not averse to some vertical punishment. The E-CORE Di2 FS 27.5+ electric all mountain bike takes you there, minus a lot of that punishment you pretend to like.

Integration is this bikes middle name (but we only use it when it’s in trouble)- E-Core “Integration” Di2 FS 27.5+. The 500Wh power pack is integrated seemlessly into the the downtube. The Shimano Di2 XT electronic shifters are integrated with the battery, eliminating the need for an separate battery and the risk of running out of juice for shifting when you need it most.

Your plush ride is thanks to 150mm of Rock Shox Yari in the front and Deluxe RL Air in the rear. The assist controls are integrated into the shift mechanism that would control a front derailleur on a 2x, so operation is intuitive. Magura MT-5/MT-4 brakes stop the ride, but not the fun.

Check out the E-CORE Di2 FS 27.5+ at a dealer near you!


Drive Train: Shimano Steps E8000 (250W)

Battery: 36V/14Ah/500Wh, 3 Modes: Eco, Trail, Boost
Battery Range: Up to 109 miles (single charge at optimal conditions)
Charging Time: Approx. 4h to 100%

Max Speed: 20mph

Frame: 7005 Aluminum
Frame Size: 44/49/54cm
Fork: Rock Shox Yari RC 27.5+ Solo Air, 150mm, 15mm thru axle
Rear Shock: Rock Shox Deluxe RT, 150mm

Rear Derailleur: Shimano Deore XT RD-M8050-GS Shadow Plus
Shifters: Shimano Deore XT Di2 SW-M8050
Crankset: Shimano FC-E8050 38T
Chain: KMC X11E
Cassette: Shimano Deore XT CS-M8000, 11-spd, 11-46T

Brakes: Magura MT5/MT4, hydraulic disc brakes, 180mm/180mm
Handlebar: BULLS
Seat Post: Rockshox Reverb Stealth 100mm
Saddle: Selle Royal BULLS

Rims: BULLS Eccentric 35, tubeless ready
Wheel Size: 27.5+
Tires: Schwalbe Nobby Nic 70-584, 27.5x2.8

Pedals: Wellgo

Weight: 48.28 lbs



technology-image Powerful yet compact E8000 motor designed to power an eMTB with high torque of 70nm and 250w power. The narrow Q-factor of 177mm provides the pedalling efficiency.
technology-image Di2 - electronic shifting technology of Shimano makes gear-changing simple and precise at a click of a button either on climbing or sprinting. It allowing the rider focus on just riding.
technology-image The 11-speed drivetrain with 11-gear cassette has proved to improve efficiency and ultimately power.
technology-image The travel of front suspension is 150mm.
technology-image Full suspension bike with a rear shock of 150mm travel.
technology-image Shimano Shadow Plus clutch mechanism prevents the lower arm of the derailleur from pivoting forward as the chain is kept under considerably more tension. The benefits are many: less chain slap, fewer dropped chains, more stable and accurate shifting over rough terrain and ultimately a much better and quieter ride.
technology-image This is semi-integrated headset with an inner diameter of 1 1/8" at the top and 1.5" at the bottom. This ensures best riding stability and excellent control head stiffness. The biggest shaft results in stiffer fork and frame as riding forces are spread more evenly thanks to a thicker head tube.
technology-image The main advantages of the thru-axle system are stiffness and strength, which add together to a safer bike. It has a clear advantage on disc brakes over the traditional quick release as it allows for easier and more precise wheel mount/dismount operation.
technology-image At 110mm/148mm, the hubs of the boost standard are wider than any conventional ones. Connected to the flatted spoke screen, they increase stiffness and stability of the wheel for even better handling.
technology-image Higher frames require longer chainstays. The result is a much-improved climbing capacity, which is relevant in large frames. After all, the center of gravity clearly shifts backwards with a taller rider, specifically during the climb. Taller riders also need more space as they usually have longer feet and for the longer cranks to avoid touching the chainstays with their heels.
technology-image Internally routed shifting and braking cables ensure a clean and elegant look while ensuring a better protection to all important cables.
technology-image The standard feature on the all new BULLS eMTB fully that allows the rider to descend safer with better position without being penalized by the weight.


Frame 7005 Aluminum
Fork Rock Shox Yari RC 27.5+ Solo Air, 150mm, 15mm thru axle Rear Shock: Rock Shox Deluxe RT, 150mm
Electric-Assist Type Mid Drive
Motor Specs Shimano Steps E8000 (250W)
Drive System Shimano Steps E8000 (250W)
Battery Type/Weight 36V/14Ah/500Wh
Recharge Time approx. 3.4hrs to 80%, approx. 4.5hrs to 100%
Range on Full Charge 109 miles (single charge at the optimal condition)
Max. Assisted Speed 20mph
Saddle Selle Royal BULLS
Handlebars BULLS
Bicycle Drivetrain Shimano Deore XT RD-M8050
Wheels BULLS Eccentric 35, tubeless ready Wheel Size 27.5+
Tires Schwalbe Nobby Nic 70-584, 27.5×2.8
Brakes Magura MT5/MT4, hydraulic disc brakes, 180mm/180mm
Pedals Wellgo
Weight 48.28 lbs
Sizes 44/49/54 cm

* Subject to change without notice.


BULLS E-Core Di2 FS 27.5+ Review

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 drivetrain is powerful but compact, hidden battery integration Standard sized chainring with surround-guide keeps the chain on track, durable Shimano XT derailleur with Shadow Plus clutch and electronic Di2 shifting, precise Magura MT5 hydraulic disc brakes with quad-piston caliper up front They made room for bottle cage bosses on the downtube, very nice RockShox Reverb seat post dropper

Part Numbers

Option MPN Store SKU
44 cm M 776-48044 2028
49 cm L 776-48049 2029
54 cm XL 776-48054 2030