Rieju MRT 125 SM AC vs HM Derapage RR 4T (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Rieju MRT 125 SM ACstacks up against the HM Derapage RR 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Rieju MRT 125 SM AC | HM Derapage RR 4T |
|---|---|---|
| Model year | 2021 | 2018 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Weight | 95 kg | 106 kg |
| Seat height | 34 mm | 36 mm |
| Fuel capacity | 1.7 L | 1.9 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. Double piston caliper. | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 100/80-17 / 130/70-17 | 110/70-17 / 140/70-17 |
Rieju MRT 125 SM AC vs HM Derapage RR 4T — which should you buy?
Picking between the Rieju MRT 125 SM AC and the HM Derapage RR 4T usually comes down to the numbers you care about most. On paper, the Rieju MRT 125 SM AC brings its published horsepower in a 95 kg package, while the HM Derapage RR 4T counters with its own power figure at 106 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: