Kid dirt bike;mini dirt bike;off road bike; 4-stroke,pull start engine. alloy wheels.hydraulic disc brakes; alloy exhaust ... pipe.alloy handlebar,alloy wheel rims,4-stroke engine.1) User age: >142) Engine: 49.5cc, 4-stroke, single-cylinder, air- cooled,pull start3 ... ) Max. load: 65kg 4) Max. speed: 55km/h 5) Oil ...