Rieju Marathon 125 SM Pro vs Vent Derapage RR 125 4T (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Rieju Marathon 125 SM Prostacks up against the Vent Derapage RR 125 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Rieju Marathon 125 SM Pro | Vent Derapage RR 125 4T |
|---|---|---|
| Model year | 2023 | 2023 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Weight | 121 kg | 109 kg |
| Seat height | 34 mm | 34 mm |
| Fuel capacity | 1.7 L | 2.5 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. Double piston caliper. Galfer wave disk. | Double disc. Oversized two piston floating caliper |
| Rear brakes | Single disc. Galfer wave disk. | Single disc. Oversized two piston floating caliper |
| Tires | 100/80-17 / 130/70-17 | 110/70-17 / 140/70-17 |
Rieju Marathon 125 SM Pro vs Vent Derapage RR 125 4T — which should you buy?
Picking between the Rieju Marathon 125 SM Pro and the Vent Derapage RR 125 4T usually comes down to the numbers you care about most. On paper, the Rieju Marathon 125 SM Pro brings its published horsepower in a 121 kg package, while the Vent Derapage RR 125 4T counters with its own power figure at 109 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:

