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Rockrider 27.5" E-ST 100 Electric
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Price
Not published
Prices shown first for
United States
Show prices first for
United States (USD)
Europe (EUR)
United Kingdom (GBP)
United Kingdom
£899Last known price
Fork travel
100mm
Wheels
27.5″
Weight
22.5kg49.6 lb · Reference configuration not specified
Brakes
Mechanical disc
Not published by the manufacturer
Sizes and geometry
Components
7 of 8 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.
Our Rockrider mountain bike team has designed a battery that locks in place with a simple lever. Child's play! This locking system prevents the battery vibrating when riding on rough terrain. There is also a lock in case you want to stop your battery getting stolen. For example, if you park your bike in the street.
The motor on the rear wheel was co-developed with VISION for mountain biking:, - a torque of 42Nm to overcome your first slopes, - a wheel axle of 150x12mm to stand up to rough terrain, - watertight bearings to withstand environmental conditions which can sometimes be tough. What if you get a puncture? 8 Mm Allen key a needed to unscrew the wheel nuts. This tool is available in our 900 multi-purpose tool/bike multi-tool.
Calmly overcome obstacles (roots, rocks, gravel, etc.) thanks to the 100mm of travel in the Suntour XCT 30 fork. Its design, based on a mechanical spring, is reliable and easy to maintain. It features U-Fit (weight adjuster) technology so that you can easily adjust the stiffness, based to the rider's weight, using a dial.
The E-ST100 electric bike is equipped with a single chainring and anti-drop technology to prevent chain drops. A single shifter on the right handlebar makes it easy to shift between the 8 speeds. In detail:, - Anti-derailment 32-tooth chainring, - MICROSHIFT M25 8-speed rear derailleur, - MICROSHIFT TS39 right shifter with indicator, - MICROSHIFT H081 8-cog cassette (11-34 teeth), - KMC Z7 chain
No matter the riding conditions (dry, muddy, wet), the Tektro TKD68 180 mm mechanical disc brakes at the front and rear provide powerful, progressive braking. Incompressible cable housing ensures a firm touch and perfect transmission of power from lever to disc.
Wheels and tires
2 parts
Rims
These wheels were specially designed for this mountain bike:, - 23 mm rims (width between brackets), 28 spokes at the front and 36 oversize spokes at the rear, for greater durability and good grip on wide tyres (up to 2.5"). - Cone hub with bearings (easy to maintain) at the front, - Sealed motor bearings at the rear, - TUBELESS READY rims: you will need TUBELESS tyres, specifc PRESTA valves, and puncture sealant.
Not identified
So you feel safe on any terrain, and for traction suited to your motor, the E-ST100 MTB is equipped with exclusive Rockrider All Terrain Light (30 TPI) tyres with a wide 2.2-inch cross-section. Our test riders particularly liked these tyres for their good grip Mounted on wide rims, these tyres, and the rubber they are made from, provide great grip, traction, and comfort. on any terrain.
Since your mountain bike rides will get longer and longer, it is important to sit comfortably. So our teams designed the exclusive ROCKRIDER Ergofit Evo saddle.Suitable for all hip sizes, the "hammock" shape is particularly good for sporty rides. The 31.6 mm aluminium seat post ensures compatibility with most adjustable and suspended saddles on the market.
Specifications
Frame and fork
Intended fit
Unisex
Bicycle weight
22.5 kg
49.6 lb
Suspension
Suspension configuration
Hardtail
Front travel
100 mm
Drivetrain
Derived by Bikelake
Front chainrings
2
Smallest chainring
11
Largest chainring
34
Wheels and brakes
Wheel configuration
Same size
Brake type
Mechanical disc
Fit and controls
Shifting
Mechanical
Additional specifications
Battery
Our Rockrider mountain bike team has designed a battery that locks in place with a simple lever. Child's play! This locking system prevents the battery vibrating when riding on rough terrain. There is also a lock in case you want to stop your battery getting stolen. For example, if you park your bike in the street.
Fork spring
Coil
Tire width
2.2″
Wheel material
Aluminum
Wheel size
27.5″
Technical analysis
2 measures
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
Front travel
How we calculated this
Observed range: 10 mm to 180 mm. Median: 100 mm.
100mm
This value is within the central range for this class.
100 mmTypical range110 mm
Cohort
Mountain / Cross-country
Model year: 2020
Sample
1,085 bicycles with this information
Coverage
86.0% of the class
Shifting
How we calculated this
This analysis describes frequency, not preference.
Mechanical
57 of 1,261 bicycles with this information use electronic shifting.
Electronic 4.5%Mechanical 95.4%
Cohort
Mountain / Cross-country
Model year: 2020
Sample
1,261 bicycles with this information
Coverage
100.0% 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.