... types of gasoline or electric scooters. 3.50-10 motorcycle tube: We are one of leading ... Manufactured with prolonged life and great load capability.4.Used nationwide and exported to more than ... -18, 3. 50-16, 3. 50-18, 4. 00-8, 4. 00-12, 80 / 90-18, 110-90- ... 75-18, 275-21, 3. 00-8, 3. 00-10, 3. 00-12, 3. 00-14, 3. 00 ... 8, 3. 50-10, 3. 75-10, 3. 75-19, 4. 10-18, 4. 50-12, 4. 50-16, 4. 50-18,70/90 ...