... inner tube 300-17 1.Weight:450g 2.High rubber content:20-50% 3.Tensile strength:8-12MPA 4. ... Competitive price inner tube with high rubber content 300-17Product DescriptionOur factory is professional in producing motorcycle ... tube,natural rubber tube,butyl rubber tube,tyre,motorcycle tyre,rubber wheel,solid wheel,foaming wheel,rubber productsTrade Terms:FOB, CIF, CFRPayment terms:30% ...