We professional produce various specifications of the PU foam wheels, PU wheels filled, rubber wheels, etc. We professional produce of various specifications of the PU foam wheels, PU wheels filled, rubber wheels, etc.Wheel specifications: 6*2 8*2.50-4 10*3.00-4 10*3.50-4 12*1 1/2 13*3.00-8 13*5.00-6 16*4.00-8 16*6.50-8 PU foam wheel