HM Derapage RR 10 vs CH Racing WSM 50 (2010)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the HM Derapage RR 10stacks up against the CH Racing WSM 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | HM Derapage RR 10 | CH Racing WSM 50 |
|---|---|---|
| Model year | 2010 | 2010 |
| Price | $3,750 | — |
| Engine | 50 cc | 50 cc |
| Weight | 86 kg | 92 kg |
| Seat height | 34 mm | — |
| Fuel capacity | 1.6 L | 2.1 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. 2 piston caliper | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 100/80-17 / 130/70-17 | 100/80-17 / 130/70-17 |
HM Derapage RR 10 vs CH Racing WSM 50 — which should you buy?
Picking between the HM Derapage RR 10 and the CH Racing WSM 50 usually comes down to the numbers you care about most. On paper, the HM Derapage RR 10 brings its published horsepower in a 86 kg package, while the CH Racing WSM 50 counters with its own power figure at 92 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:

