... many kinds of butyl and natural tube in china. 3.00-10 Butyl inner Tube Our certificate is ECE,DOT,CCC and ... . High quality and competative price 2. Outstanding gas tightness 3. Full range size for car, truck, motorcycle The available size are as ... -4, 350-5, 350-6, 300-8, 300-10, 350-8, 350-10, 400-5, 400-6, 400-8, 10*400-6, 10*500-6, 400 ...