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/49cc, air-cooled, 2-stroke 2 ... capacity: 1L4) Tyre: 11 inches (tubeless) 5) Oil type: petrol 1:25 engine oil mixing 6) Brake: front and rear disc ...