Bandit risers fit 1-1/8ö ProTaper style handlebars on standard Harleys and many metric bikes The uniquely designed 8-bolt common top clamp keep the handle bars secure Risers are drilled for internal wiring and are tapped for 1/2ö-13 mounting bolts These risers are machined from 6061-T6 billet aluminum Made in the U.S.A.. RISERS12"THREADED BK W/GM