Design benefits
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Autonomy
Ride up to 70 km on fairly flat ground with the internal 420 Wh battery
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Power
Attack your climbs with the 380 W Brose C motor with 50 Nm of torque
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Control
Enjoy: raised position, 120 mm suspension, Evo Comfort saddle
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Smooth pedalling
The built-in motor automatically assists you when needed. Perfect for MTBing.
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Cushioning
Suntour XCM 120 fork
Design details
Motor
Brose C Aluminium motor
Mid-drive position
50 Nm torque
Torque sensor
Max assistance: 280 %
The electrical assistance cuts out over 25 km/h in accordance with European regulations
Battery
Samsung SDI or LG
Capacity: 420 Wh
Our battery supplier is part of the "Responsible Minerals Initiative"
Display
Ergo 500
3 assistance modes: Eco / Standard / Boost.
Walk mode.
Stats displayed: Active assistance mode / Battery level / Speed (current, average, max) / Remaining battery / Distance covered (total and trip)
Weight
S: 22.8 kg
M: 22.9 kg
L: 23.1 kg
XL: 23.2 kg
Net weight without pedals
Frame
Rockrider comfort geometry frame in 6061 aluminium with hydroformed tubes
12x148 mm Boost
Seat tube diameter: 31.6 mm
Tapered head tube
1 bottle cage mounting point
Drive train
34T 3D ChainFlow chainring with chain guide
Microshift Acolyte 8-speed rear derailleur, medium cage
Crank: 175 mm
Microshift Acolyte right shifter
Microshift 8-sprocket 12-42 T cassette
KMC E8S special electric chain
Suspension
Suntour XCM fork
Travel: 120 mm
Dampers: 30 mm
Axle: QR
Format: 9 x 100 mm
Wheels
Rockrider Tubeless Ready (needs tubeless tyres, special Presta valves and tyre sealant)
27.5", compatible with wide tyres: up to 2.5"
23 mm (width between hooks)
32 spokes
6-bolt disc
Freehub: HG
Brakes
Tektro M276
Hydraulic disc brakes
2 piston
160 mm front and rear
Riding position
ROCKRIDER SPORT "oversize" 720 mm wide aluminium handlebar
The Rockrider stem is 70 mm (size S), 80 mm (size M/L), or 90 mm (size XL) and can be raised to 5 adjustment intervals: + 0 mm, + 7.5 mm, + 15 mm, + 22.5 mm, + 30 mm.
Rockrider Sport "soft touch" grips
SADDLE / SEAT POST
Rockrider Core Comfort saddle
Aluminium 31.6 mm seat post
Tyres
Hutchinson Gila 27.5" x 2.35"
or
Hutchinson Kraken 27.5" x 2.3"
or
Michelin Force XC 27.5" x 2.25"
depending on availability
Pedals
Rockrider 520 Grip resin flat pedals
Accessories
Your mountain bike comes with a bell, lighting, wheel reflectors, and pedals.
The frame is compatible with:
- front and rear mudguards
- stand
- bottle cage (on the top tube)
- saddle bag
- rear pannier rack (to be mounted on a stay or special rack for wide bikes with 150 mm rear wheel axles)
- child seat
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