Bike Comparison

    2020 ROCKRIDER E-ST 100 Women's Electric Mountain Bike, - 27.5"
    2020 ROCKRIDER E-ST 100 Electric Mountain Bike, - 27.5"
    2020 ROCKRIDER 27.5" E-ST 100 ELECTRIC MOUNTAIN BIKE
    2020 ROCKRIDER E-ST 520 Electric Mountain Bike, / - 27.5"
    2020 ROCKRIDER E-ST 900 ELECTRIC MOUNTAIN BIKE, - 27.5+
    2020 ROCKRIDER E-ST 900 Women's Electric Mountain Bike - 27.5+
    MSRP($983)($983)($1,106)($1,721)($2,091)($2,091)
    Where to Buy
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    CategoryCrosscountry, E-BikeCrosscountry, E-BikeCrosscountry, E-BikeTrail, E-BikeTrail, E-BikeCrosscountry, E-Bike
    Weight49.6 lbs49.6 lbs49.6 lbs49.6 lbs48.3 lbs
    FrameAluminum
    ForkSuntour XCTSuntour XCRSuntour XCTRockShox 30 Silver TKRockShox Judy
    WheelsAluminumAluminumAluminum
    Wheel Size27.5″27.5″27.5″27.5″27.5″27.5″
    BrakesMechanical DiscMechanical DiscMechanical DiscHydraulic DiscHydraulic DiscHydraulic Disc
    Motor42Nm hub-drive42Nm hub-drive42Nm hub-driveBrose 70Nm mid-driveBrose 70Nm mid-driveBrose 70Nm mid-drive
    Battery100Wh
    GroupsetmicroSHIFT MezzomicroSHIFT MezzomicroSHIFT AdventDeore
    Drivetrain
    SuspensionHardtailHardtailHardtailHardtailHardtail
    Front Travel100mm100mm100mm120mm120mm-
    Brand Sitedecathlon.co.ukdecathlon.co.ukdecathlon.co.ukdecathlon.co.ukdecathlon.co.ukdecathlon.co.uk

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    Upgrades

    Geometry

    Specs
    Fork

    Tackle new obstacles (roots, rocks, gravel, etc.) with ease thanks to the 100 mm of travel in the Suntour XCT 30 fork, which gives you total comfort. This coil fork can be adjusted based on the rider's weight, starting at 45 kg, for more comfortable, enjoyable mountain bike rides.

    Calmly overcome obstacles (roots, rocks, gravel, etc.) thanks to the 100mm of travel in the Suntour XCR 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.

    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.

    Ride over obstacles (roots, pebbles, stones, etc.) easily thanks to the Rockshox 30 SILVER fork with 120 mm of travel. This fork has:, - A coil spring for maximum sensitivity and reliability - a lockout and rebound adjustment for better control, depending on the terrain

    Ride over obstacles (roots, pebbles, stones, etc.) easily thanks to the Rockshox JUDY fork with 120 mm of travel. This fork has:, - a thru axle and tapered steerer tube for more durability. - pneumatic spring for optimal adjustment based on your weight, - rebound adjustment and lockout for better control, depending on the terrain.

    Saddle

    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.

    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.

    Since your mountain bike rides will get longer and longer, it is important to have a suitable seat. So our teams designed the exclusive ROCKRIDER Ergofit Evo saddle. It fits all hip sizes and has a curved shape that is particularly good for sport trail rides. The 31.6 mm aluminium seat tube ensures compatibility with most dropper and suspension seat posts on the market.

    Since your mountain bike rides will get longer and longer, it is important to sit comfortably. So our teams designed the exclusive ROCKRIDER Ergofit Pro saddle. It fits all hip sizes and has a curved shape that is particularly good for sport trail rides. The 31.6 mm aluminium seat tube ensures compatibility with most dropper and suspension seat posts on the market.

    Groupset
    Crank

    The E-ST100 electric bike is equipped with a single chainring and ChainFlow 3D anti-slip technology to prevent the chain from derailing. A single shifter on the right handlebar makes it easy to shift between the 8 speeds. In detail:, - ChainFlow anti-derailment 33-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

    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

    The E-ST520 electric bike is equipped with a single chainring and ChainFlow 3D anti-slip technology to prevent the chain from derailing. A single shifter on the right handlebar makes it easy to shift between the 9 speeds. In detail:, -Chainflow & anti-drop single chainring with 34 teeth, -MICROSHIFT ADVENT 9-speed rear derailleur with long cage, -MICROSHIFT ADVENT right shifter, -MICROSHIFT H092 9-speed cassette (11-42 teeth), -KMC E9 Sport electric bike-specific chain

    The E-ST900 electric bike is equipped with a single chainring and ChainFlow 3D anti-drop technology to prevent chain drops. A single shifter on the right handlebar makes it easy to shift between the 10 speeds. In detail:, - ChainFlow anti-derailment 34-tooth chainring, - SHIMANO DEORE M6000 Shadow+ 10-speed rear derailleur with long cage, - SHIMANO DEORE M6000 right shifter, - SHIMANO DEORE 10-cog cassette (11-42 teeth), - KMC E10 Turbo special e-bike chain

    Brakes

    No matter the conditions you ride in (dry, muddy, wet), the 180 mm mechanical disc brake callipers on the front and rear provide powerful, progressive braking. These oversized 180mm diameter discs provide even more power. The Tektro aluminium brake levers are easy to grip, lightweight, and precise.

    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.

    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.

    No matter the conditions you ride in (dry, muddy, wet), the Tektro TKD88 hydraulic disc brakes at the front and rear provide powerful, progressive braking. Oversized 180mm diameter discs provide even more power.

    No matter the conditions you ride in (dry, muddy, wet), the Tektro TKD32 hydraulic disc brakes on the front and rear provide powerful, progressive braking. Oversized 180mm diameter discs provide even more power.

    No matter the conditions you ride in (dry, muddy, wet), the Tektro TKD32 hydraulic disc brakes on the front and rear provide powerful, progressive braking. Oversized 180mm diameter discs provide even more power.

    Wheels
    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, Presta valves, and puncture sealant.

    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.

    These wheels were specially designed for this mountain bike:, - 23 mm rims (width between brackets), 28 spokes at the front and 32 spokes at the rear, for greater durability and good grip with wide tyres (up to 2.5"). - BOOST thru rear axle (12x148) for greater durability, - Aluminium hubs with sealed bearings, - TUBELESS READY rims: you will need tubeless tyres, Presta valves, and puncture sealant.

    Tires

    So you feel safe on any terrain, and for traction suited to your motor, the E-ST100 women's electric MTB is equipped with B'Twin 27.5" tyres with a 2.2" width. Our testers particularly loved how versatile these tyres are. Mounted on wide rims, these tyres provide great grip, traction, and comfort.

    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.

    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.

    So you feel safe on any terrain, and for traction suited to your motor, the E-ST520 electric MTB is equipped with Hutchinson Cougar 27.5" tyres with a 2.4" cross-section. Our test riders particularly liked these tyres for their good grip. Mounted on wide rims, these tyres ensure grip, traction and comfort on any terrain.

    So you feel safe on any terrain, and to provide traction suited to your motor, the E-ST900 mountain bike is equipped with Hutchinson Taipan Koloss 27.5+ tyres with a 2.8" cross-section. Our test riders particularly liked these tyres for their good grip. Mounted on wide rims, these tyres ensure grip, traction and comfort on any terrain.

    So you feel safe on any terrain and for traction adapted to your motor, the E-ST900 mountain bike is equipped with Hutchinson Taipan Koloss 27.5+ tyres, 2.8" across. Our test riders particularly liked these tyres for their grip on the ground. Mounted on wide rims, these tyres ensure grip, traction, and comfort. On any terrain.

    Electric Components
    Motor

    The rear wheel motor is specially designed for mountain biking:, - torque of 42 Nm/380 Wh to help you get past obstacles. - a 150 x 12 mm wheel axle to deal with rugged terrain. - and sealed bearings to withstand the weather, which can often be tough when mountain biking. What if you get a puncture? An 8mm Allen key is all you need to unscrew the wheel nuts. This tool is available in our 900 multi-purpose tool/bike multi-tool.

    The motor on the rear wheel was co-developed with VISION for mountain biking:, - a torque of 42Nm to overcome any slope, - a 150x12mm hub to stand up to rough terrain, - and sealed bearings to withstand the weather, which can often be tough when mountain biking. 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.

    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.

    The BROSE T Aluminium central motor is specially designed for high altitude mountain biking:, - 70 Nm torque to handle large obstacles and steep gradients, - metal housing for maximum durability, - belt for an ultra-quiet motor, - sealed bearings to hold up to tough environments while mountain biking

    The BROSE T Aluminium central motor is specially designed for high altitude mountain biking:, - 70 Nm torque to handle large obstacles and steep gradients, - metal housing for maximum durability, - belt for an ultra-quiet motor, - sealed bearings to hold up to tough environments while mountain biking

    The BROSE T Aluminium central motor is specially designed for high altitude mountain biking:, - 70 Nm torque to handle any slope, - metal housing for maximum durability, - belt for an ultra-quiet motor, - and watertight bearings to withstand environmental conditions, which can be tough when mountain biking.

    Battery

    The E.ST100 women's mountain bike has a battery range of 100 km in eco mode on flat terrain and 44 km on hilly mountain biking terrain. The battery can be recharged in 6 hours.

    Our Rockrider mountain bike team has designed a battery that locks in place with a simple lever. Child's play! This locking system stops the battery getting shaken when you go adventuring 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.

    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.

    Our Rockrider mountain bike team has designed a battery that locks in place with a simple lever. Child's play! This locking system stops the battery getting shaken when you go adventuring 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.

    Our Rockrider mountain bike team has designed a battery that locks in place with a simple lever. Child's play! This locking system stops the battery getting shaken when you go adventuring on rough terrain. A key lock is also installed if you want to protect your battery from theft. For example, if you park your bike in the street.