ROCKRIDER 27.5″ Electric Mountain Bike E-ST 500 2023
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Wheels 27.5"
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Travel Front 120mm
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Fork Suntour XCM
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Groupset microSHIFT Acolyte
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Suspension Hardtail
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Motor Brose 50Nm mid-drive
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Battery Samsung SDI or LG Capacity: 420 Wh Our battery supplier sources its minerals responsibly and sustainably, and is part of the "Responsible Minerals Initiative".
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Drivetrain 1 × 8
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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
Frame
ROCKRIDER COMFORT GEOMETRY FRAME in 6061 aluminium with hydroformed tubes 12x148 mm Boost Seat tube diameter: 31.6 mm Tapered head tube 1 bottle cage mounting point
Suspension Fork
SUNTOUR XCM fork Travel: 120 mm Dampers: 30 mm Axle: QR Format: 9 x 100 mm
Drivetrain
Rear Derailleur
34T 3D ChainFlow chainring with chain guide MICROSHIFT ACOLYTE 8-speed rear derailleur, medium cage Crank: 175 mm MICROSHIFT ACOLYTE right shifter MICROSHIFT 8-sprocket 12-42 T cassette KMC E8S special electric chain
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) 32 spokes 6-bolt disc Freehub: HG
Tires
HUTCHINSON GILA 27.5" x 2.35" or HUTCHINSON KRAKEN 27.5" x 2.3" or MICHELIN FORCE XC 27.5" x 2.25" depending on availability
Brakes
Brakes
Tektro M276 Hydraulic disc brakes 2 piston 160 mm front and rear
Motor & Battery
Motor
BROSE C Aluminium motor Mid-drive position 50 Nm torque Torque sensor Max assistance: 280% The electrical assistance cuts out above 25 km/h in accordance with EU regulations
Battery
Samsung SDI or LG Capacity: 420 Wh Our battery supplier sources its minerals responsibly and sustainably, and is part of the "Responsible Minerals Initiative".
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″ Electric Mountain Bike E-ST 500 completes the Rockrider E Mountain model. ROCKRIDER released 19 e-bikes variations of this model so far. Check out the entire range from 2023 of this model, by clicking this link.
Model range prices
ROCKRIDER Women’s 27.5″ Electric Mountain Bike E-ST 500 2023 is the cheapest e-bike model and costs 1945$. ROCKRIDER 27.5″ Electric Mountain Bike E-ST 500 2023 is the most expensive one and costs 1945$.
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.
Average price for Trail e-bikes
Our math shows that the average cost of a dependable Trail e-bike is 3365$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Trail e-bike. To sum up, when you purchase your e-bike, make sure to check if it has reviews, and also do some components research.
When ROCKRIDER released this model in 2023, its price was 1945$. Comparing this to the average Trail e-bike price, we see that the price is 73.01% lower.
Trail e-bikes average weight
On a deeper look, we notice that the average weight of a Trail e-bike is 23.7 kg (52.25 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
With a weight of 22.8 kg (50.27 lbs), ROCKRIDER e-bike is slightly lighter than average. To sum up, it’s 3.95% lighter than the average weight of Trail e-bikes.
Overview of components
Fork
This e-bike has the Suntour XCM fork installed. The fork’s travel is 120mm. Bike forks are great for shock absorption and provide you with a smooth ride. In short, you should always ensure you have a good fork when purchasing a bike.
Wheels
The wheels on 27.5″ Electric Mountain Bike E-ST 500 are the 27.5″ aluminum type. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. ROCKRIDER 27.5″ Electric Mountain Bike E-ST 500 has Hydraulic Disc brakes installed. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
Sizes
ROCKRIDER 27.5″ Electric Mountain Bike E-ST 500 e-bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.
