Pocket Bike, mini racing bike, super pocket bike mini racing bike, 49cc, air-cooled, 2-stroke ,pull start ,chain drive,speed 50 Pocket Bike, mini racing bike, super pocket bikeFeatures: 1) Engine: 47cc ... type: petrol 1:25 engine oil mixing 6) Brake: front and rear disc brake 7) Speed: >55km/h8) Drive: chain drive ...