tube for motorcycle Natural&butyl rubber Pulling strengh 8-9MPA Elongation rate:480%-500% ISO,DOT,CCC,E-MARK ... qualityCIQ,ISO,CCC,SONCAP,E-MARKDetials:1.Tension strength between 8-9MPA is available2.Raw material: natural rubber and butyl rubber ... ,SONCAP,E-MARK.6.OEM Acceptable.7.All size available.8.durable motorcycle inner tube.More size provide you to choose: SizeWeight ...