... tyre to an exact specified diameter and radius.Tire/tyre retreading machines -----tire tread building machine. *In the pre-cure system, the tread ... have lots of retreaded tyre. 3.Optional Tire size(14″,15″,16”,17.5”,20″,22.5”) 6.50-16", 7.00 ... .50-16", 8.25-16"9.00-20", 10.00-20", 11.00-20", 12.00-20",28X9-15", 6.50-10, 12.00 ...