Front travel
100 mm
This value is within the central range for this class.
Rockrider 27.5" Hardtail Electric Mountain Bike E-ST 100
1 of 9
Rockrider 27.5" Hardtail Electric Mountain Bike E-ST 100
1 of 9
- Not published
- £799
- 100
- 27.5″
- 8
- 309%
- 380
- 21.5
- Aluminum
- Mechanical disc
Not published by the manufacturer
- Sizes and geometry
Components
Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.
Frame and fork
-
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
Electric system
-
Battery
-
Display
LED control screen 3 assistance modes: Eco / Normal / Boost Stats displayed: Battery level / Active assistance mode / Bluetooth connected to access additional information.
-
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
Suspension
-
Fork
Drivetrain
-
Rear derailleur
Brakes
-
Brakes
Wheels and tires
-
Rims
-
Tires
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
- Bicycle weight
-
- 21.5 kg
- 47.4 lb
Suspension
- Suspension configuration
-
- Hardtail
- Front travel
-
- 100 mm
Drivetrain
- Rear sprockets
-
- 8
- Smallest sprocket
-
- 11
- Largest sprocket
-
- 34
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Mechanical disc
Fit and controls
- Shifting
-
- Mechanical
Electric system
- Battery capacity
-
- 380 Wh
Additional specifications
- Battery
-
- Rockrider battery with external mount, Tool-free quick-release system with lock. Capacity: 380 Wh
- Fork spring
-
- Coil
- Tire width
-
- 2.2″
- Wheel material
-
- Aluminum
- Wheel size
-
- 27.5″
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
Shifting
Mechanical
156 of 1,315 bicycles with this information use electronic shifting.
Lineup changes
The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.
Differences across 2026 builds
Other models in this family
Published versions from the same family and model year.
27.5" Hardtail Electric Mountain Bike E-ST 100
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