1.Tube dia:22mm. 3 pcs in. with lock 2.Sell popular in many words 3.It's cheap,easy to use,high quality and good service JM-22 wheels with lock Tube dia:22mm.3 pcs in.with lock 1.Tube dia:22mm. 3 pcs in. with lock2.Sell popular in many words3.It's cheap,easy to use,high quality and good service