Front travel
100 mm
This value is within the central range for this class.
Rockrider 27.5" Semi-Rigid Electric Mountain Bike E-ST 100
1 of 8
Rockrider 27.5" Semi-Rigid Electric Mountain Bike E-ST 100
1 of 8
- Not published
- £1,099
- 100
- 27.5″
- 8
- 309%
- 380
- 21.5
- Aluminum
- Mechanical disc
Rider height by size (cm)
Size guide- SM
- MD
- LG
- XL
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
EB 100 LCD control screen 3 assistance modes: Eco / Normal / Boost Stats displayed: Battery level / Active assistance mode / Bluetooth connected to access additional information.
-
Motor
Rear motor position (in the wheel) 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
Cockpit and contact points
-
Pedals
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
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
223 of 2,002 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 2023 builds
Other models in this family
Published versions from the same family and model year.
27.5" Semi-Rigid Electric Mountain Bike E-ST 100
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