Comparison of Derbi GPR Nude 50 and Kuberg Trex [S]ave
| Attribute |  Kuberg Trex × |  Derbi GPR Nude 50 × |
|---|---|---|
| General | ||
| Production from (year) | 2014 | 2007 |
| Make | Kuberg | Derbi |
| Model | Kuberg Trex | Derbi GPR Nude 50 |
| Category | Trial | Naked bike |
| Engine and transmission | ||
| Engine type | Electric | Single cylinder, two-stroke |
| Fuel system | - | Carburettor. Dell´Ortho PHVA 14 |
| Engine details | Brushless DC | - |
| Displacement (cm³) | - | 49.9 |
| Power (kw) | 4.9 | - |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Torque (Nm) | 16 | - |
| Gearbox | Automatic | 6-speed |
| Ignition | - | Electronic C.D.I. |
| Lubrication system | - | Oil pump |
| Compression | - | 11.5:1 |
| Chassis | ||
| Front suspension | Hydraulic telescopic fork Ø40 mm with settings. | Inverted fork. |
| Rear suspension | Steel swingarm, progressive linkage system, single adjustable shock absorber. | Monoshock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 150 | 180 |
| Frame type | Perimetric 25CD4S steel | - |
| Front tyre | 1.60-21 | 110/80-17 |
| Rear tyre | 2.15-18 | 130/70-17 |
| Front wheel travel (mm) | 175 | 120 |
| Rear wheel travel (mm) | 170 | 110 |
| Other | ||
| Starter | - | Electric |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,370 | 1,311 |
| Dry weight (kg) | 67 | - |
| Power/weight ratio | 0.0731 | - |
| Overall length (mm) | 2,060 | 1,961 |
| Seat height (mm) | 710 | 800 |
| Performance | ||
| Top speed (km/h) | 55 | - |
| Fuel capacity (l) | - | 13 |
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