Motor
BROSE C Aluminium motor
Mid-drive position
50 Nm torque
Torque sensor
Max assistance: 280%
The electrical assistance cuts out above 25 km/h in accordance with EU regulations
Battery
Samsung SDI or LG
Capacity: 420 Wh
Our battery supplier sources its minerals responsibly and sustainably, and 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 alu 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: + 0mm, + 7.5mm, + 15mm, + 22.5mm, + 30mm.
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
