2″ handlebar risers for HARLEY, TRIUMPH, XS650, BOBBER, CHOPPER and other custom bikes. These Risers are machined out from Solid Billet Aluminum then mirror polished and have natural colour. bolts included 1/2″ X 13 Threads. fits 1″ handle bars, you can use our spacers for other sizes. All measurements, threads and bolts can be followed by your demands.