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