UM DSR 125 SM vs Vent Derapage 125 4T (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the UM DSR 125 SMstacks up against the Vent Derapage 125 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | UM DSR 125 SM | Vent Derapage 125 4T |
|---|---|---|
| Model year | 2023 | 2023 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 15 hp | — |
| Weight | 124 kg | 111 kg |
| Seat height | 34 mm | 34 mm |
| Fuel capacity | 1.7 L | 2.5 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper. | Double disc. Dual floating caliper. Wave disc. |
| Rear brakes | Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper. | Single disc. Floating caliper. Wave disc. |
| Tires | 100/80-17 / 130/70-17 | 110/70-17 / 140/70-17 |
UM DSR 125 SM vs Vent Derapage 125 4T — which should you buy?
Picking between the UM DSR 125 SM and the Vent Derapage 125 4T usually comes down to the numbers you care about most. On paper, the UM DSR 125 SM brings 15 hp in a 124 kg package, while the Vent Derapage 125 4T counters with its own power figure at 111 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: