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 14
Rockrider 27.5" Hardtail Electric Mountain Bike E-ST 100
1 of 14
- Not published
- £999
- 100
- 27.5″
- 8
- 309%
- 380
- 22.2
- 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 in 6061 aluminium with hydroformed tubes Seat tube diameter: 31.6 mm Straight head tube 1 bottle cage mounting point
Electric system
-
Battery
Samsung SDI or LG Capacity: 380 Wh
-
Display
LCD control screen 3 assistance modes: Eco / Standard / Boost Stats displayed: Stopwatch / Current speed / Average speed / Maximum speed / Distance covered / Total distance / Battery level / Remaining battery range (in km) / Active assistance mode / Reset
-
Motor
Rear motor position (in the hub) 42 Nm torque Pace sensor Max assistance 250W The electrical assistance cuts out above 25 km/h in accordance with EU regulations
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
-
- 22.2 kg
- 48.9 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
-
- Samsung SDI or LG 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.
Similar bicycles
Same category, closest configuration.
