| Attribute | GAS GAS EC 125 Racing × | Derbi Senda DRD Pro 50 R 2010 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2010 |
| Make | GAS GAS | Derbi |
| Model | GAS GAS EC 125 Racing | Derbi Senda DRD Pro 50 R |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Keihin 38 mm - Intake by reed valve | Carburettor. 17.5 mm |
| Displacement (cm³) | 124 | 49.9 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 54 | 39.9 |
| Stroke (mm) | 54.5 | 40 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | Digital magnetic flywheel. | - |
| Clutch | Wet multiplate with hydraulic control | Multidisc |
| Lubrication system | 2-stroke-oil/fuel mixed 1:50 | Mechanical oil pump |
| Compression | - | 11.5:1 |
| Chassis | ||
| Front suspension | Marzocchi 45 mm Aluminium Up-Side-Down. Adjustable compression and rebound. | 40 mm Upside down fork. |
| Rear suspension | Aluminium swingarm. Progressive system with Öhlins mono shock absorber | Progressive linkage monoshock with separate gas tank. |
| Front brakes | Double disc. Wave floating, 2-piston caliper | Single disc |
| Rear brakes | Single disc. Wave disc, 1-piston caliper | Single disc |
| Diameter (mm) | 220 | 220 |
| Frame type | Chrom-Molybdenum tubular frame | - |
| Front tyre | 90/90-21 | 90/90-21 |
| Rear tyre | 140/80-18 | 110/80-18 |
| Front wheel travel (mm) | 295 | 250 |
| Rear wheel travel (mm) | 310 | 250 |
| Other | ||
| Starter | Kick | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,475 | 1,390 |
| Kerb weight (kg) | 105 | 104 |
| Dry weight (kg) | 94 | 96 |
| Overall height (mm) | 1,260 | 1,196 |
| Overall length (mm) | 2,200 | 2,080 |
| Overall width (mm) | 830 | 808 |
| Seat height (mm) | 940 | 920 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1.3 |
| Fuel capacity (l) | 9.5 | 6.5 |