Derbi 125 SM Baja vs Beta RR 125 4T Supermotard (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi 125 SM Bajastacks up against the Beta RR 125 4T Supermotard. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi 125 SM Baja | Beta RR 125 4T Supermotard |
|---|---|---|
| Model year | 2007 | 2006 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Weight | 118 kg | 103 kg |
| Seat height | 33 mm | 36 mm |
| Fuel capacity | 2.5 L | 1.6 L |
| Fuel type | petrol | petrol |
| Transmission | — | 5-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 110/80-17 / 130/70-17 | 110/80-17 / 130/80-17 |
Derbi 125 SM Baja vs Beta RR 125 4T Supermotard — which should you buy?
Picking between the Derbi 125 SM Baja and the Beta RR 125 4T Supermotard usually comes down to the numbers you care about most. On paper, the Derbi 125 SM Baja brings its published horsepower in a 118 kg package, while the Beta RR 125 4T Supermotard counters with its own power figure at 103 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:

