Triumph Bonneville T120R Roadster vs Bimota Supermono Biposto (1999)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Triumph Bonneville T120R Roadsterstacks up against the Bimota Supermono Biposto. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Triumph Bonneville T120R Roadster | Bimota Supermono Biposto |
|---|---|---|
| Model year | 1969 | 1999 |
| Price | — | — |
| Engine | 649 cc | 652 cc |
| Horsepower | 49 hp | 48 hp |
| Torque | — | 60 Nm |
| Weight | 165 kg | — |
| Seat height | 31 mm | 32 mm |
| Fuel capacity | 2.5 L | 4.2 L |
| Fuel type | petrol | petrol |
| Transmission | 4-speed | 5-speed |
| Front brakes | Expanding brake (drum brake). Twin Leading Shoe | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 3.25-19 / 4.00-18 | 120/70-ZR17 / 160/60-ZR17 |
Triumph Bonneville T120R Roadster vs Bimota Supermono Biposto — which should you buy?
Picking between the Triumph Bonneville T120R Roadster and the Bimota Supermono Biposto usually comes down to the numbers you care about most. On paper, the Triumph Bonneville T120R Roadster brings 49 hp in a 165 kg package, while the Bimota Supermono Biposto counters with 48 hp.
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: