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ROCKRIDER

27.5" Hardtail Electric Mountain Bike E-ST 100 - White/Red

4.3 out of 5 stars from 731 reviews
731 reviews

Electric mountain bike with up to 60km of assistance and an aluminium frame.

Designed to give you an extra boost when need it, to guarantee smoother and fun rides in all terrains while keeping the fitness of riding a bike.

ID 8732637

€1,060.00
Tax included
Colour: White / Red

SIZE: XL - 185-200CM

  • Pick up at Decathlon

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Design benefits

  • autonomy

    Ride up to 60 km on fairly flat ground with the internal 380 Wh battery

  • power

    Overcome your first slopes thanks to the motor's torque of 42Nm at 250 W.

  • connectivity

    Download the Decathlon Ride app and unleash your bike's full potential!

  • control

    Enjoy touring: raised position, 100mm suspension, Ergofit hammock saddle

  • smooth pedalling

    Enjoy/relive your first MTB rides: Cadence Sensor

  • Features

    Design details

    In a nutshell

    Weight: 21.7 kg (in size M, without pedals)
    Mid-drive motor: 42 Nm
    Battery: 380 Wh
    Connectivity: Decathlon Ride mobile application
    Frame material: Aluminium
    Type: Hardtail
    Wheel size: 27.5"
    Fork travel: 100 mm
    Drivetrain: 1x08
    Brakes: Mechanical disc
    Seat post: Fixed
    Frame, handlebar and stem warranty: lifetime

    Motor

    Rear motor (in wheel hub)
    42 Nm torque
    Pace sensor
    Max assistance 250W
    In accordance with EU regulations, the electrical assistance cuts out above 25 km/h

    Battery

    Rockrider battery with external mount,
    Tool-free quick-release system with lock.
    Capacity: 380 Wh

    Display

    LED control screen
    3 assistance modes: Eco / Normal / Boost
    Stats displayed: Battery level / Active assistance mode /

    Bluetooth connected to access additional information.

    Connectivity

    Download the Decathlon Ride app and unleash your bike's full potential!
    The Decathlon Ride app is compatible:
    - For Apple devices: iOS 8 and later versions
    - For Android telephones: Android 7 and later versions.

    Weight

    S: 21.5 kg
    M: 21.7 kg
    L: 21.8 kg
    XL: 21.9 kg

    Net weight without pedals

    Frame

    ROCKRIDER COMFORT GEOMETRY FRAME made of 6061 aluminium with hydroformed tubes
    Size S optimised for easier step-through.
    Straight head tube
    31.6 mm diameter seat tube
    1 bottle cage mount

    Drive train

    32 T chainring with chain guide
    MICROSHIFT MS25 8-speed rear derailleur
    Crank: 170 mm
    MICROSHIFT TS39 right shifter with speed indicator
    MICROSHIFT H081 8-sprocket 11-34 T cassette
    KMC Z7 chain

    Suspension

    SUNTOUR XCT 30 fork
    Travel: 100 mm
    Dampers: 30 mm
    Axle: QR
    Format: 9 x 100 mm

    Wheels

    Rockrider 27.5" wheels

    27.5" size compatible with fat tyres: up to 2.5"
    23 mm (width between hooks),
    28 spokes at the front and 36 oversize spokes at the rear
    6-bolt disc
    Cassette body: HG
    Sealed rim strip
    (requires TUBELESS tyres, PRESTA valves, and tyre sealant)

    Brakes

    Tektro TKD68
    Mechanical disc brakes
    1 piston
    180 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 ERGOFIT EVO saddle
    31.6 mm steel seat post

    Tyres

    ROCKRIDER ALL TERRAIN LIGHT (60 TPI) wide 2.2" tyres

    PEDALES

    Rockrider Flat Evo Resin

    Accessories included

    Your MTB comes with:
    2A charger
    bell,
    lights,
    wheel reflectors
    and pedals.

  • Usage & care

    Warranty

    2 Years

    Care Instructions

    Storage tips

    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.

    Usage precautions

    Max weight: 120 kg (rider + kit + bike).

    Cleaning

    • DRYING IN A TUMBLE DRYER POSSIBLE. NORMAL TEMPERATURE, MAXIMUM EXHAUST AIR TEMPERATURE OF THE DRUM 80°C.

    • MAXIMUM WASH TEMPERATURE OF 30°C. VERY MODERATE TREATMENT.

    • IRON AT A MAXIMUM SOLEPLATE TEMPERATURE OF 150°C.

    • MAXIMUM WASH TEMPERATURE 70°C. NORMAL TREATMENT.

    • IRONING AT A MAXIMUM IRON SOLEPLATE TEMPERATURE OF 200°C.

  • Specifications

    composition

    Frame: 100.0% Aluminium

  • Testing

    Agree by

    Our engineers always have real riders test all our products in real conditions. These tests round out our lab tests and let us validate all our products before they hit store shelves.

    Parts guarantee

    Lifetime (frame, stem, handlebars). Availability of spare parts: 7 years.Guaranteed for 500 charges.