... line of motorcycle inner tubes for more than 10 years as a manufacturer and exporter. With annual ... 17, 3.50-10, 3.50-16, 4.00-8, 4.10-18, 70/90-14, 80/90-17, ... tubes, we can offer:1. Main Sizes:250-10, 275-10, 300-10, 300-8, 350-8, 400-8, 225 ... 14, 325-17,300-12, 400-10, 350-1080/100-21, 130/80-18, 120/90-18, 90/90 ... 16, 110/80-14 90/100-14, 60/100-14, 80/100-12, 80/100-14, 70/100-10... Motorcycle/ bicycle ...