Coolster 70cc Kids Dirt Bike QG-210 Features: Engine type: 70cc 4-stroke semi-auto single cylinder Displacement: 70cc Cooling: air-cooled Max horsepower: 4.0kW/8 500r/min Max torque : 5.0N.m/5 500r/min (N.m/r/min) Bore*stroke : 47 x 41.4 Max speed : 55km/h Ignition: CDI Starting system : Kick start Engine oil : 4.2L CHASSIS ETC Clutch: Semi automatic clutch Transmission: Chain Driving wheel : Rear wheel force Suspension front/rear Brakes : Rear brake: Hub brake Brake operation: Hub brake Tires front/rear : 2.75-10 /2.75-10 Weight G.W./N.W: 48kg /40kg Max load :50kg Wheelbase: 925mm L*W*H: 1 554 x 680 x 740mm Height to seat : 440mm Min ground clearance: 190mm Carton size : 1 175x 390 x 600mm