We professional produce children bike,pull start engine We professional produce children bike,pull start engine,welcome to do business with us.thank you 1) Max. speed: 45hmph2) Max. loading capacity: 100kg3) Max. range: 20km/full tank4) Engine: 49cc, 2 strokes, single cylinder, air-cooled5) Dirt bike max. power: 2kW / 7,000rpm6) Max. torque: 2.5N.m / 5,000rpm7) Start system: manual start8) Tank ...