ROCKRIDER 27.5″+ Electric Hardtail MTB Bike E-ST 900 2024
Bike details
Key information split into simple groups.
Bike summary
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Category
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Suspension Hardtail
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Motor hub-drive
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Battery 500 to 599 Wh
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Suspension Fork
suspended fork
Drivetrain
Cassette
11/42
Crank
34
Wheels
Rims
27.5+"
Tires
So you feel safe on any terrain, and to provide traction suited to your motor, the E-ST900 mountain bike is equipped with Hutchinson Taipan Koloss 27.5+ tyres with a 2.8" cross-section. Our test riders particularly liked these tyres for their grip on the ground. Mounted on wide rims, these tyres ensure grip, traction, and comfort on any terrain.
Brakes
Brakes
hydraulic disc brakes
Seat
Saddle
Since your mountain bike rides will get longer and longer, it is important to sit comfortably. So our teams designed the exclusive ROCKRIDER Ergofit Pro saddle. It fits all hip sizes and has a curved shape that is particularly good for sport trail rides. The 31.6 mm aluminium seat post ensures compatibility with most adjustable and suspended seat posts on the market.
Seatpost
telescopic seatpost not compatible
Motor & Battery
Motor
middle position
Battery
500 to 599 Wh
Charger
sector
