Vent Derapage 125 RR vs Rieju Marathon 125 SM Pro (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Vent Derapage 125 RRstacks up against the Rieju Marathon 125 SM Pro. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Vent Derapage 125 RR | Rieju Marathon 125 SM Pro |
|---|---|---|
| Model year | 2023 | 2023 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Weight | 109 kg | 121 kg |
| Seat height | 34 mm | 34 mm |
| Fuel capacity | 2.5 L | 1.7 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Double disc. Dual floating caliper. Wave disc. | Single disc. Double piston caliper. Galfer wave disk. |
| Rear brakes | Single disc. Floating caliper. Wave disc. | Single disc. Galfer wave disk. |
| Tires | 110/70-17 / 140/70-17 | 100/80-17 / 130/70-17 |
Vent Derapage 125 RR vs Rieju Marathon 125 SM Pro — which should you buy?
Picking between the Vent Derapage 125 RR and the Rieju Marathon 125 SM Pro usually comes down to the numbers you care about most. On paper, the Vent Derapage 125 RR brings its published horsepower in a 109 kg package, while the Rieju Marathon 125 SM Pro counters with its own power figure at 121 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:

