| Attribute | Derbi Senda R Racer × | Derbi GPR 50 2004 × |
|---|---|---|
| General | ||
| Production from (year) | 2004 | 2004 |
| Make | Derbi | Derbi |
| Model | Derbi Senda R Racer | Derbi GPR 50 |
| Category | Enduro / offroad | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 49.9 | 49.9 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 39.9 | 39.9 |
| Stroke (mm) | 40 | 40 |
| Gearbox | 6-speed | 6-speed |
| Compression | 13.0:1 | 13.0:1 |
| Chassis | ||
| Front suspension | Hydraulic fork, 36 mm | Inverted hydraulic fork, 35 mm |
| Rear suspension | Linal gas absorber | Progressive single absorber |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 180 | 220 |
| Front tyre | 80/90-21 | 90/80-17 |
| Rear tyre | 110/80-18 | 110/80-17 |
| Front wheel travel (mm) | 190 | 95 |
| Rear wheel travel (mm) | 62 | 31 |
| Other | ||
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,345 | 1,303 |
| Overall height (mm) | 1,300 | 1,135 |
| Overall length (mm) | 2,050 | 1,900 |
| Overall width (mm) | 695 | 670 |
| Performance | ||
| Fuel capacity (l) | 5.5 | 7.25 |