... . Our certificate is ECE,DOT,CCC and so on. 3.50-16 tires 1. High quality and competative price2. ... , 250-16, 250-17, 250-18, 250/275-10, 250/275-17, 250/275-18, 275/300-14, 300-12, ... 300-17, 300/325-17, 300-18, 300/325-18, 325-16, 325-17, 325-18, 275/300-19, 275/300-21 ... , 350-16, 350-17, 350-18, 4.10-18, 90/90-18, 110/90-16, 130/90-15, 130/90 ... 70-12, 120/70-12 etc. Butyl and Natural 3.50-16 tires