ROCKRIDER 27.5 Inch Electric Mountain Bike E-ST 520 2022
Bike details
Key information split into simple groups.
Bike summary
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Wheels 27.5"
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Travel Front 120mm
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Fork RockShox
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Suspension Hardtail
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Motor Brose 70Nm mid-drive
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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.
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Brakes Hydraulic 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
Suspension Fork
Ride over obstacles (roots, pebbles, stones, etc.) easily thanks to the Rockshox XC30 hydraulic fork with 120 mm of travel. This fork has: - A coil spring for maximum sensitivity and reliability - a lockout and preload adjustment for better control, depending on the terrain
Wheels
Rims
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, specific Presta valves, and puncture sealant.
Tires
In order for you to 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 grip on the ground. Mounted on wide rims, these tyres provide great grip, traction, and comfort on any terrain.
Brakes
Brakes
Regardless of the conditions you ride in (dry/wet/muddy), the hydraulic Tektro TKD88 disc brakes at the front and rear provide powerful and progressive braking. Oversized 180mm diameter discs provide even more power.
Seat
Saddle
Since your mountain bike rides will get longer and longer, it is important to have a suitable seat. Our teams have 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 post ensures compatibility with most adjustable and suspended seat posts on the market.
Motor & Battery
Motor
The BROSE T Aluminium central motor is specially designed for 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
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.
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 520 is a Rockrider E Inch model. ROCKRIDER launched 14 e-bikes of this model so far. Take a sneak peek at all Rockrider E Inch e-bikes models from 2022, by clicking here.
Model range prices
The most economical model, the ROCKRIDER 27.5 Inch WOMEN’S ELECTRIC MOUNTAIN BIKE E-ST 100 2022 has a starting price of 1215$. ROCKRIDER 27.5 Inch Electric Mountain Bike E-ST 520 2022 on the other hand is the most expensive at 2067$.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Trail e-bikes average price
If you want an acceptable Trail e-bike you should know that the average price is 3365$. However, this doesn’t mean that if you spend less money on a Trail e-bike, you couldn’t get a decent one. As a general rule of thumb, you should always read reviews about the e-bike and its components before buying it to ensure you don’t pay too much.
Furthermore, this bike was made available in 2022 for 2067$. If we compare this with the average Trail e-bike cost we notice that the price is 62.8% lower.
27.5 Inch Electric Mountain Bike E-ST 520 components
Fork
This e-bike has the RockShox fork installed. The fork’s travel is 120mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. In conclusion, always look for a fork with decent travel when you buy a bike.
Wheels size
When leaving the production line, the 27.5 Inch Electric Mountain Bike E-ST 520 model has 27.5″ aluminum wheels. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The 27.5 Inch Electric Mountain Bike E-ST 520 comes with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.
