27.5″+ Electric Semi-Rigid MTB Bike E-ST 900
ROCKRIDER
Trail
27.5″+ Electric Semi-Rigid MTB Bike E-ST 900 is an electric trail mountain bike (2023), by Rockrider, in the 275 series. It is best suited to a wide range of riders thanks to its fit flexibility, with a setup that gives you a balanced riding position, and is best for smoother trails and efficient rolling. On MatchBikes metrics, it scores well for strong value-for-money versus many similar bikes, strong climbing friendliness for sustained uphill riding, and good fit flexibility for dialing in rider position. At the same time, relative to category specialists, the trade-off is a firmer ride feel than comfort-first options. Compare this bike on MatchBikes.com to similar trail models.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Seat
E-Bike Components
Geometry
| Measurement | 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 |


















































