Tomos Sportmate 50 vs Rieju RS1 Castrol (2006)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Tomos Sportmate 50stacks up against the Rieju RS1 Castrol. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Tomos Sportmate 50 | Rieju RS1 Castrol |
|---|---|---|
| Model year | 2006 | 2005 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Horsepower | 3 hp | 9 hp |
| Weight | 65 kg | — |
| Fuel capacity | 0.9 L | 2.4 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | 6-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | — | 90/90-16 / 120/80-16 |
Tomos Sportmate 50 vs Rieju RS1 Castrol — which should you buy?
Picking between the Tomos Sportmate 50 and the Rieju RS1 Castrol usually comes down to the numbers you care about most. On paper, the Tomos Sportmate 50 brings 3 hp in a 65 kg package, while the Rieju RS1 Castrol counters with 9 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:

