HM Derapage RR vs KSR TR 50 SM Competition (2018)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the HM Derapage RRstacks up against the KSR TR 50 SM Competition. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | HM Derapage RR | KSR TR 50 SM Competition |
|---|---|---|
| Model year | 2018 | 2016 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Horsepower | — | 3 hp |
| Weight | 94 kg | 113 kg |
| Seat height | 36 mm | — |
| Fuel capacity | 1.6 L | 2.6 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc | Single disc. Wave disc |
| Rear brakes | Single disc | Single disc. Wave disc |
| Tires | 100/80-17 / 130/70-17 | 100/80-17 / 130/70-17 |
HM Derapage RR vs KSR TR 50 SM Competition — which should you buy?
Picking between the HM Derapage RR and the KSR TR 50 SM Competition usually comes down to the numbers you care about most. On paper, the HM Derapage RR brings its published horsepower in a 94 kg package, while the KSR TR 50 SM Competition counters with 3 hp at 113 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:

