... inner tube 1.High rubber content 2Prompt delivery 3.Competive price,high quality Our factory is professional in producing motorcycle/wheelbarrow tyre and tube with high quality ... 000 pcs/monthInner tube material: natural rubber/butyl rubberProducts:inner tube,natural rubber tube,butyl rubber tube,tyre,motorcycle tyre,rubber wheel, ... 8,400-8,400-12 etc.2.Motorcycle inner tube size:185-17,200-17,225-17, ...