CH Racing CH 509 Pro Senior vs Rieju MX Disc 50 (2010)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the CH Racing CH 509 Pro Seniorstacks up against the Rieju MX Disc 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | CH Racing CH 509 Pro Senior | Rieju MX Disc 50 |
|---|---|---|
| Model year | 2010 | 2010 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Horsepower | 12 hp | — |
| Weight | 40 kg | 46 kg |
| Seat height | 27 mm | 29 mm |
| Fuel capacity | 0.7 L | 0.7 L |
| Fuel type | petrol | petrol |
| Transmission | — | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 2.50-12 / 2.50-10 | 2.50-15 / 3.00-12 |
CH Racing CH 509 Pro Senior vs Rieju MX Disc 50 — which should you buy?
Picking between the CH Racing CH 509 Pro Senior and the Rieju MX Disc 50 usually comes down to the numbers you care about most. On paper, the CH Racing CH 509 Pro Senior brings 12 hp in a 40 kg package, while the Rieju MX Disc 50 counters with its own power figure at 46 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:

