| Attribute | Value |
| General |
| Production from | 2008 year |
| Make | Xmotos |
| Model | Xmotos XB-21 |
| Category | Minibike, cross |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | Add |
| Fuel system | Add |
| Engine details | Add |
| Displacement | 50 cm³ |
| Power | 2.5 kw |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Air |
| Transmission type,final drive | Chain |
| Torque | Add |
| Bore | 39 mm |
| Stroke | 41.4 mm |
| Gearbox | Automatic |
| Greenhouse gases | Add |
| Fuel control | Add |
| Emission details | Add |
| Driveline | Add |
| Ignition | Add |
| Clutch | Add |
| Lubrication system | Add |
| Compression | 9.4:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | Inverted hydraulic Adjustable shock |
| Rear suspension | Adjustable Air /Oil shock Absorber |
| Front brakes | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | Add |
| Frame type | Add |
| Front tyre | Add |
| Rear tyre | Add |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | Add |
| Rear wheel travel | Add |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Add |
| Color options | - black
- blue
- carbon block
- green
- orange
- red
- yellow
|
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 950 mm |
| Kerb weight | Add |
| Dry weight | 50 kg |
| Power/weight ratio | 0.05 |
| Overall height | Add |
| Overall length | 1,320 mm |
| Overall width | Add |
| Seat height | 650 mm |
| Alternate seat height | Add |
| Ground clearance | 150 mm |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 3 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |