ROCKRIDER 27.5 Inch Electric Mountain Bike E-ST 100 2022
Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame aluminium
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Wheels 27.5"
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Travel Front 100mm
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Fork Suntour XCT
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Suspension Hardtail
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Motor 250W 42Nm hub-drive
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Battery Samsung SDI or LG Capacity: 380 Wh Our battery supplier sources its minerals responsibly and sustainably, and is part of the "Responsible Minerals Initiative".
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Brakes Mechanical Disc
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Main components, grouped by system.
Bike components
Frame
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
Suspension Fork
SUNTOUR XCT 30 fork Travel: 100 mm Dampers: 30 mm Axle: QR Format: 9 x 100 mm
Drivetrain
Pedals
Rockrider 520 Grip resin flat pedals
Wheels
Rims
Rockrider Tubeless Ready (needs tubeless tyres, special Presta valves and tyre sealant) 27.5", compatible with wide tyres: up to 2.5" 23 mm (width between hooks), 28 spokes at the front and 36 oversize spokes at the rear 6-bolt disc Freehub: HG
Tires
ROCKRIDER ALL TERRAIN LIGHT (30 TPI) wide 2.2" tyres
Brakes
Brakes
Tektro TKD68 Mechanical disc brakes 1 piston 180 mm front and rear
Motor & Battery
Motor
Motor co-developed with VISION Hub position (in the wheel) 42 Nm torque Cadence sensor Max assistance: 250W The electrical assistance cuts out above 25 km/h in accordance with EU regulations
Battery
Samsung SDI or LG Capacity: 380 Wh Our battery supplier sources its minerals responsibly and sustainably, and is part of the "Responsible Minerals Initiative".
Remote
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
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
27.5 Inch Electric Mountain Bike E-ST 100 completes the Rockrider E Inch model. ROCKRIDER launched 14 e-bikes of this model so far. You can easily view all of the Rockrider E Inch e-bikes models from 2022, here.
Model range prices
ROCKRIDER 27.5 Inch WOMEN’S ELECTRIC MOUNTAIN BIKE E-ST 100 2022 is the cheapest e-bike model and costs 1215$. ROCKRIDER 27.5 Inch Electric Mountain Bike E-ST 520 2022 is the most expensive one and costs 2067$.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Crosscountry e-bikes
According to our calculations, the average cost of a Crosscountry e-bike that is reliable is 2453$. However, you could also get a good Crosscountry e-bike even if you pay a lower amount than the average price. To make sure you don’t pay a higher amount than normal for your e-bike, always do some components analysis and read reviews.
Furthermore, this bike was made available in 2022 for 1215$. Doing a quick comparison, we notice that 27.5 Inch Electric Mountain Bike E-ST 100 price is 101.89% smaller than the average cost of a Crosscountry e-bike.
Crosscountry e-bikes average weight
Crosscountry e-bikes have an average weight of 23.21 kg (51.17 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
Weighing 22.2 kg (48.94 lbs), the 27.5 Inch Electric Mountain Bike E-ST 100 model is slightly lighter than average. To sum up, it’s 4.55% lighter than the average weight of Crosscountry e-bikes.
Overview of components
Fork
ROCKRIDER 27.5 Inch Electric Mountain Bike E-ST 100 2022 e-bike is equipped with the Suntour XCT fork, and has 100mm travel. Bike forks are great for shock absorption and provide you with a smooth ride. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Wheels size
The wheels on 27.5 Inch Electric Mountain Bike E-ST 100 are the 27.5″ aluminum type. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
When you want to stop the bike in time, the brakes are vital. The 27.5 Inch Electric Mountain Bike E-ST 100 has Mechanical Disc brakes. They deliver good performance and cost less than hydraulic disk brakes. However, they don’t have the stopping power of hydraulic brakes.
Sizes
27.5 Inch Electric Mountain Bike E-ST 100 comes in 4 sizes, that range from 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, it won’t be difficult to find the right one for you.
