UM Scrambler Sport vs Derbi GPR 125 (2018)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the UM Scrambler Sportstacks up against the Derbi GPR 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | UM Scrambler Sport | Derbi GPR 125 |
|---|---|---|
| Model year | 2018 | 2017 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 10 hp | 15 hp |
| Torque | 9 Nm | — |
| Weight | 130 kg | 120 kg |
| Seat height | 31 mm | 32 mm |
| Fuel capacity | 2.8 L | 3.7 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 6-speed |
| Front brakes | Single disc. Hydraulic. | Single disc. radial caliper |
| Rear brakes | Single disc. Hydraulic. | Expanding brake (drum brake). Floating caliper |
| Tires | 100/90-18 / 130/80-17 | 110/80-17 / 130/70-17 |
UM Scrambler Sport vs Derbi GPR 125 — which should you buy?
Picking between the UM Scrambler Sport and the Derbi GPR 125 usually comes down to the numbers you care about most. On paper, the UM Scrambler Sport brings 10 hp in a 130 kg package, while the Derbi GPR 125 counters with 15 hp at 120 kg.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

