... .Tensile strength:8-12MPA 4.Competitive price,high quality tire and tube 300-10 Product DescriptionOur factory is professional in producing motorcycle ... natural rubber/butyl rubberProducts:inner tube,natural rubber tube,butyl rubber tube,tyre,motorcycle tyre,rubber wheel,solid wheel,foaming wheel,rubber productsTrade Terms:FOB, ... our best offer upon receiving your detail inquiry. tire and tube 300-10