inner tubebutyl inner tube,natural rubber inner tube,inner tube,tube,auto inner tube,rubber inner tube, natural rubber inner tube,motorcycle inner tube, bicycle inner tubetensile strength 9-10MPA,7-8MPA,5.5-6MPAenlongation 450-500%,400%,350%whole sizes275-18TR4300-17TR4300-18TR4400-8TR4450-12600-12TR13155/165-13TR13175/185-13175/185-14TR13185/195-14195/205-15TR13175/185-15185/195-15TR13195/205-16TR15205/225-16TR75A235-16TR75A825-16TR78A825-20TR78A900-201000-201100-201200-201200-24 V3-04-5 03-02-