300-4 pu foam wheel 1,plastic rim with 20mm diameter roller bearing,hub longth 75mm. 2,pu foam tyre We have our own factory 260*85 pu foam wheel, flat-free wheelrim:plastic rim with 20mm diameter roller bearing, hub longth 75mm,tyre: pu foam , any colour.Loading: 100KGPackage: 10pcs/bag pu foam wheel 260*85