Roxon Duel SM 50R vs CPI SM Ultimate (2008)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Roxon Duel SM 50Rstacks up against the CPI SM Ultimate. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Roxon Duel SM 50R | CPI SM Ultimate |
|---|---|---|
| Model year | 2008 | 2006 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | — | 7 hp |
| Weight | 82 kg | 96 kg |
| Fuel capacity | 2.0 L | 1.9 L |
| Fuel type | petrol | petrol |
| Transmission | — | 6-speed |
| Front brakes | Single disc. 2-piston | — |
| Rear brakes | Expanding brake (drum brake) | — |
| Tires | 110/80-17 / 130/70-17 | 110/80-17 / 130/70-17 |
Roxon Duel SM 50R vs CPI SM Ultimate — which should you buy?
Picking between the Roxon Duel SM 50R and the CPI SM Ultimate usually comes down to the numbers you care about most. On paper, the Roxon Duel SM 50R brings its published horsepower in a 82 kg package, while the CPI SM Ultimate counters with 7 hp at 96 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: