This electric mountain bike is perfect for all-terrain rides with a decent amount of climbing. Comfortable to ride, it has an ultra-quiet mid-drive motor for extra assistance when you need it most.
ID 8655219
365 days to return for members
Features
Design benefits
power
Attack your climbs with the motor's 50Nm of torque at 250W.
autonomy
Ride an average of 2 hours 45 at a sporty pace thanks to the 420Wh battery.
smooth pedalling
The built-in motor automatically assists you when needed. Perfect for MTBing.
sitting comfort
Enjoy: raised position, 120 mm suspension, Evo Comfort saddle
Design details
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
Specifications
Details
power assisted
with electric assistance
number of speeds
8 speeds
bike frame material
aluminium frame
motor position
middle position
wheel size
27.5"
maximum load
100 kg
connected
not connected
battery capacity (in Wh)
400 to 499 Wh
built-in battery
with built-in battery
type of brakes
hydraulic disc brakes
weight (in kg)
23 kg
removable battery
removable battery
charger type
sector
handlebar diameter
31.8 mm
number of bottle-cage holders
1
seatpost compatibility
telescopic seatpost not compatible
trunk bag fixation
trunk bag fixation
type of seatpost
rigid
engine torque maximum
50 Nm
front suspension travel
120 mm
handlebar width
720 mm
rear suspension travel
not concerned
suspension
semi stiff
autonomy (in km)
up to 90 km
Composition
Bike frame: 100.0% Aluminium
Usage & care
Care instructions
Usage precautions
This bike is not designed for professional use.
Storage
Store it in a warm, dry place away from corrosive products and salty air. Never store with the battery flat, and remember to recharge it at least once every six months.