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Twenty9 E FS 3 RSI



Bici elettrica motorizzata Bosch.
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11-Speed Drive Train - The 11-speed drive train is used in the racing bike & MTB area. The cassette has 11 gear steps instead of the 10-speed cassette. Thisprimarily permits a finer selection of gears and improves efficiency to warrant higher power output.
Tailored Chainstays - Higher frames require longer chainstays. The result is a much improved climbing capacity, which is relevant in large frames. After all, the centre of gravity clearly shifts backwards with a tall rider, specifically at inclinations. Taller riders also need more space since they usually have longer feet, and for the longer cranks to avoid touching the chainstays with their heels.

Tapered Steerer - Semi-integrated headsets with an inner diameter of 1 1/8 inch on top and 1.5 inch at the bottom ensure best riding stability and excellent control head stiffness. The stiffness of the fork profits from the more voluminous shaft, and the forces are discharged into the frame better and with less strain on the material through the higher-volume control tube.

SKID PLATE - What the underfloor protection is for racing cars, the skid plate is for the offroad E-Bikes by BULLS. The exclusive cover protects the Bosch drive reliably from impacts and damage off-road.

SHIMANO SHADOW PLUS - The SHADOW-PLUS technology effectively increases friction in the derailleur cage. Impact of the chain when going downhill is minimised and the risk of the chain jumping off is reduced by a special mechanism at the derailleur cage that can be activated with a switch.

THROUGHAXLE - A 12mm through axle achieves not only very good stiffness values, but also offers easy operation and reliability. This is reflected specifically in the removal and installation of wheels with disc brakes, which is just as easy as it is precise.

Internal cable routing - Internally placed shifting and brake lines ensure not only a clean and elegant look, but placement through the frame also protects all the important cables effectively against outer influences.

F120mm - The travel of the fork is 120 mm.

120mm - Full suspension bikes have a travel of 120 mm in the rear.

Ice Technologies - Sandwich construction and additional cooling fins reduce heat development at the Shimano ICE-Tech Freeza brake discs by up to 50 degrees.
Increased brake performance and lower wear result.


Area of useE-Bike
Frame7005 aluminium
Frame Size46/51/56 cm
Weight~ 22,3 kg
ForkRock Shox Reba RL 29 Solo Air, 120 mm, OneLoc remote, 15 mm through Axle
Rear ShockRock Shox Monarch RT, 120 mm
Drive TrainBOSCH Performance Line CX 250W
Rear derailleurShimano Deore XT RD-M8000 GS, 11 -speed, shadow plus
ShiftersShimano Deore XT SL-M8000
HandleFSA, 15T
Cassette SprocketsShimano Deore XT CS-M8000, 11-40T
BrakesShimano Deore BR-M615 Ice Tech, hydraulic disc, 180/180 mm
Seat postSTYX aluminium
HubsShimano Deore HB-M618/FH-M618
Wheel size29 Zoll
TyresSchwalbe Rocket Ron Evolution 29 x 2.25
ExtrasPowerpack: 36V/11Ah/400Wh / Range of performance: up to 175 km depends on riding, conditions and terrain / 4 modes: Eco, Tour, Sport, Turbo / Charging time: approx. 2,2 hrs to 80%, approx. 3,5 hrs to 100%
Coloursblack matt/white