Rieju RS2 125 vs UM Fastwind 125 (2010)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Rieju RS2 125stacks up against the UM Fastwind 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Rieju RS2 125 | UM Fastwind 125 |
|---|---|---|
| Model year | 2010 | 2010 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Weight | 110 kg | 125 kg |
| Seat height | 32 mm | 30 mm |
| Fuel capacity | 2.8 L | 4.6 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 100/80-17 / 130/80-17 | 110/90-16 |
Rieju RS2 125 vs UM Fastwind 125 — which should you buy?
Picking between the Rieju RS2 125 and the UM Fastwind 125 usually comes down to the numbers you care about most. On paper, the Rieju RS2 125 brings its published horsepower in a 110 kg package, while the UM Fastwind 125 counters with its own power figure at 125 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:

