UM DSRX 125 vs KSR TW 125 SM (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the UM DSRX 125stacks up against the KSR TW 125 SM. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | UM DSRX 125 | KSR TW 125 SM |
|---|---|---|
| Model year | 2021 | 2021 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 9 hp | 11 hp |
| Torque | 9 Nm | — |
| Weight | 132 kg | 138 kg |
| Seat height | 34 mm | — |
| Fuel capacity | 1.7 L | — |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | — |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 90/90-19 / 110/90-17 | 100/80-17 / 130/70-17 |
UM DSRX 125 vs KSR TW 125 SM — which should you buy?
Picking between the UM DSRX 125 and the KSR TW 125 SM usually comes down to the numbers you care about most. On paper, the UM DSRX 125 brings 9 hp in a 132 kg package, while the KSR TW 125 SM counters with 11 hp at 138 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:

