... many kinds of butyl and natural tube in china. 3.00-10 Butyl inner Tube Our certificate is ECE,DOT,CCC and ... 1. High quality and competative price 2. Outstanding gas tightness 3. Full range size for car, truck, motorcycle The available size ... , 350-6, 300-8, 300-10, 350-8, 350-10, 400-5, 400-6, 400-8, 10*400-6, 10*500-6, 400/450-12, 155/165-13 ...