... Samples and trial orders available natural motorcycle inner tube 3.00-18Material:Butyl and natural OEM acceptCertificate: ISO9001,2000, CCC. ECE ... .50/2.75-1775TR42.50/2.75-1875TR43.00-1785TR43.00-1885TR43.00/3.25-1790TR43.00/3.25-1890TR44.10-18105TR4110/90-16108TR43 ... .75-18 3.50-8 3.00-10 3.00-16 3.00-17 3.00-18 3.00-16 3.25-18 2.25 ... 3.50-10 3.50-8 2.75-21 3.00-21 3.25-16 3.50-17 3.50-18 ...