Fully CNC-machined out of solid 6061-T6 billet aluminum for maximum strength. Special alloy gold zinc clamp bolts included. Have a 2-1/2" rise with 1-1/2" pullback. Machined cutouts make these risers extremely lightweight without sacrificing strength. Made for use with 1" diameter handlebars. Bases are threaded for 1/2"-13 riser bolts. Made in the U.S.A..
