... butyl and natural tube in china. 3.00-10 Butyl inner Tube Our certificate is ECE,DOT ... , truck, motorcycle The available size are as follows: 250-4, 300/350-4, 350/410-4, 350- ... -8, 300-10, 350-8, 350-10, 400-5, 400-6, 400-8, 10*400-6, 10*500-6, 400 ... 16, 7.50-16, 225/250-17, 250-16, 250-17, 250-18, 250/275-10, 250/275-17, 250/275-18, 275/300-14 ... 21, 350-16, 350-17, 350-18, 4.10-18, 90/90-18, 110/90-16, 130/ ...