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Rockrider 27.5" Hardtail Electric Mountain Bike E-ST 100

Price
Not published
United Kingdom
£1,099 Last known price
Fork travel
100 mm
Wheels
27.5″
Drivetrain
8 11–34t
Gear range
309%
Battery
380 Wh
Weight
21.5 kg 47.4 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Mechanical disc

Not published by the manufacturer

  • Sizes and geometry

Components

6 of 11 identified

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

1 part
  • 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 Not identified

Electric system

4 parts
  • Battery
  • Charger

    sector Not identified

  • Display

    LED control screen 3 assistance modes: Eco / Normal / Boost Stats displayed: Battery level / Active assistance mode / Bluetooth connected to access additional information. Not identified

  • 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 Not identified

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

Derived by Bikelake
Rear sprockets
  • 8
Smallest sprocket
  • 11
Largest sprocket
  • 34

Technical analysis

2 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

100 mm

This value is within the central range for this class.

Cohort
Mountain / Cross-country Model year: 2024
Sample
1,754 bicycles with this information
Coverage
93.6% of the class

Shifting

Mechanical

229 of 1,870 bicycles with this information use electronic shifting.

Cohort
Mountain / Cross-country Model year: 2024
Sample
1,870 bicycles with this information
Coverage
99.8% of the class

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 2024 builds

Differences across 2024 builds
Specification This bicycle Rockrider 27.5" Hardtail Electric Mountain Bike E-ST 100 Rockrider 27.5" Hardtail Electric Mountain Bike E-ST100 Rockrider 27.5" Hardtail Electric Mountain Bike E-ST 500 Rockrider 27.5" Hardtail Electric Mountain Bike E-ST520 Rockrider 27.5"+ Electric Hardtail MTB Bike E-ST 900 Rockrider 29" Hardtail Electric Mountain Bike E-EXPL 520
Frame
Frame material Aluminum Aluminum Aluminum Not informed Not informed Aluminum
Bicycle weight 21.5 kg 22.5 kg 22.5 kg 22.1 kg 22 kg 24 kg
Suspension
Front travel 100 mm 100 mm 120 mm 120 mm 120 mm 130 mm
Drivetrain
Rear sprockets 8 8 8 9 Not informed 8
Smallest sprocket 11 11 12 Not informed 11 Not informed
Largest sprocket 34 34 42 Not informed 42 Not informed
Front chainrings Not informed Not informed 1 Not informed 1 1
Smallest chainring Not informed Not informed Not informed Not informed 34 Not informed
Largest chainring Not informed Not informed Not informed Not informed 34 Not informed
Lowest gear Not informed Not informed Not informed Not informed 22.3 in Not informed
Highest gear Not informed Not informed Not informed Not informed 85.0 in Not informed
Brakes
Brake type Mechanical disc Mechanical disc Hydraulic disc Hydraulic disc Hydraulic disc Hydraulic disc
Electric bicycle systems
Battery capacity 380 Wh 380 Wh 420 Wh 499 Wh 599 Wh 500 Wh
Other specifications
Fork spring Coil Coil Coil Not informed Not informed Coil
Tire width 2.2″ 2.2″ 2.35″ 2.4″ 2.8″ 2.4″
Wheel size 27.5″ 27.5″ 27.5″ 27.5″ 27.5″ 29″

Other models in this family

7 models

Published versions from the same family and model year.

Rockrider 27.5" Hardtail Electric Mountain Bike E-ST 100, by Rockrider

This bicycle

E-bike, Cross-country

27.5" Hardtail Electric Mountain Bike E-ST 100

  • Weight: 21.5 kg
  • Suspension: 100 mm

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