... , off road ( cross ), motorcycle street, tubeless tire, inner tube ( natural tube & butyl tube ) sizes as below: MOTORCYCLE GENERAL TIRE: 250-16,250-18, 250-17, 300-8 ... . 75-18, 275-21, 3. 00-8, 3. 00-10, 3. 00-12, 3. 00-14, 3. 00-16, 3. 00-17, 3. 00-18, 3. 00-19, 3. 25-10, 3. 50-7, 3. 50-8, 3. 50-10, 3. 75-10, 3 ...