ROCKRIDER 27.5″ Electric Mountain Bike E-ST 500 2024
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Travel Front 120mm
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Groupset microSHIFT Acolyte
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Suspension Hardtail
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Motor Brose 50Nm mid-drive
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Battery Samsung SDI or LG Capacity: 420 Wh
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Drivetrain 1 × 8
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
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
Suspension Fork
120 mm
Drivetrain
Rear Derailleur
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
Pedals
Rockrider 520 Grip resin flat pedals
Wheels
Rims
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
Tires
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
Brakes
Brakes
hydraulic disc brakes
Seat
Seatpost
telescopic seatpost not compatible
Motor & Battery
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
Charger
sector
