4.00-8 tire and tube Our company, as a manufacturer in China, specializes in the producing of wheel barrow tyre and tube. 4.00-8 wheelbarrow tire and tube with light big flower pattern 1. quality certificate : ISO 90012.Internal strict quality checking 3.Superior warranty and service 4.competitive price and good quality5.wide ranges of sizes like 2.50-4 ,3.50-4,3.00-4,3.50-8,4.00-8,3.25-8,3.00-8 ...