| Attribute | Derbi Senda DRD Racing 50R × | Rieju MRT Pro 50 Competition × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2011 |
| Make | Derbi | Rieju |
| Model | Derbi Senda DRD Racing 50R | Rieju MRT Pro 50 Competition |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. Mikuni 24 |
| Engine details | - | Minarelli NG 50c.c. - 2T special Competition cylinder |
| Displacement (cm³) | 49.9 | 50 |
| Cooling system | Liquid | Liquid |
| Bore (mm) | 39.9 | 40.3 |
| Stroke (mm) | 40 | 39 |
| Gearbox | 6-speed | 6-speed |
| Ignition | Electronic C.D.I. | - |
| Clutch | Multi-plate | - |
| Lubrication system | Oil pump | - |
| Compression | 11.0:1 | - |
| Exhaust system | - | Muffler with aluminium silencer |
| Chassis | ||
| Front suspension | 40 mm. hydraulic fork. | Marzocchi inverted fork of Ø40mm. |
| Rear suspension | Monoshock with progressive link system. | Gas Mono-shock shock absorber and separate bottle PRS system |
| Front brakes | Single disc | Single disc. 2-piston. Galfer Wave. |
| Rear brakes | Single disc | Single disc. Galfer Wave. |
| Diameter (mm) | 220 | 200 |
| Frame type | - | Highly resistant double cradle steel perimeter. |
| Front tyre | 90/90-21 | 80/90-21 |
| Rear tyre | 110/80-18 | 110/80-18 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,400 | 1,395 |
| Dry weight (kg) | 97 | 94 |
| Overall height (mm) | 1,240 | 1,200 |
| Overall length (mm) | 2,123 | 2,150 |
| Overall width (mm) | 805 | 800 |
| Seat height (mm) | 875 | 910 |
| Performance | ||
| Fuel capacity (l) | 7 | 6.3 |
| Oil capacity (l) | 1 | 1.1 |