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DERUIZ
DERUIZ Quartz M
Editorial rating
What does this e-bike stand out for?
Editorial scores from 0 to 10, calculated from the spec sheet against the rest of the catalogue, not manufacturer data.
Full spec sheet
Motor & battery
| Motor position | — |
|---|---|
| Motor power | 250 W |
| Torque | 55 Nm |
| Battery capacity | 483 Wh |
| Removable battery | Yes |
| Charge time | — |
Performance
| Range | 121 km |
|---|---|
| Max assisted speed | 25 km/h |
| Max rider weight | — |
Dimensions & equipment
| Bike weight | 23.5 kg |
|---|---|
| Wheel diameter | 28 " |
| Gears | 8 |
| Brakes | Disc brake |
| Suspension | Front |
| Manufacturer warranty | 2 years |
| Frame size | — |
Other manufacturer data
App: App and Bluetooth connectivity for ride data
Battery: Lockable, easy to charge
Equipment: Rack, fenders, LED lighting
Delivery & assembly
Assembly
Requires assembly on arrival.
What's in the box
- Quartz M e-bike
- Charger
Good to know
2-year warranty and 24-hour customer service.
Analysis
The Quartz M is a light city e-bike (23.5kg) with a 250W rear motor assisting up to 25 km/h. The integrated 48V 483Wh battery is removable, lockable and easy to charge, with a range of up to 121 km.
The 8-speed chain drive gives smooth shifting in city traffic and on light climbs, and via app and Bluetooth you can always check your ride data. It has a rack, fenders, LED lighting and a comfortable saddle, with a 2-year warranty and 24-hour customer service.
With 4 reviews and a 4.0-out-of-5 average, buyers are happy with the build quality and ride feel.
Pros
- Light for a city bike (23.5kg)
- App and Bluetooth connectivity
- Long range up to 121 km
- 2-year warranty and 24-hour customer service
Cons
- Still a limited number of reviews (4)
- No listed motor position
Ideal for: Riders after a light city bike with app connectivity for stress-free commuting.
What buyers say
Amazon shows a 4.0-out-of-5 rating across 4 reviews; buyers are happy with build quality and ride feel.
-
Amazon customer · 2026 Verified purchase
Great bike. Super well packaged. Top finish. Nothing to complain about at the moment.
-
Amazon customer · 2026 Verified purchase
Satisfied. Very happy with the new bike, will probably buy a second one.
Reviews as shown on the Amazon product page at the time of capture (21-08-2026).
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