High grade steel wheel for truck and bus. Strengthened disc. Size available: 17.5 ... family, 22.5 family, 24.5 fam High grade steel wheel for truck and bus. Strengthened disc. Size available: 17.5 ... time, we are supplying the steel wheel for agricultural, construction and machinery vehicles, like dump truck, loader, dozer, earthmover, crane, grader, ADT ...