Mondial 125 MX Grumble vs Serpento RS2 125 (2012)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Mondial 125 MX Grumblestacks up against the Serpento RS2 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Mondial 125 MX Grumble | Serpento RS2 125 |
|---|---|---|
| Model year | 2012 | 2010 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 12 hp | — |
| Torque | 11 Nm | — |
| Weight | 110 kg | 110 kg |
| Seat height | — | 32 mm |
| Fuel capacity | 3.7 L | 2.8 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 2.75-18 / 3.00-18 | 100/80-17 / 130/80-17 |
Mondial 125 MX Grumble vs Serpento RS2 125 — which should you buy?
Picking between the Mondial 125 MX Grumble and the Serpento RS2 125 usually comes down to the numbers you care about most. On paper, the Mondial 125 MX Grumble brings 12 hp in a 110 kg package, while the Serpento RS2 125 counters with its own power figure at 110 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:

