Joker Machine Black Series 900 Handlebar Clamps for 1" Bars 03-861B Replace your cast handlebar risers with one of these high-performance all-billet aluminum riser sets Fully CNC machined racing-styled design is made from solid 6061 T-6 bar stock for maximum strength Special alloy gold zinc mounting bolts are included Available with a lightweight dual design top clamp or bridge design top clamp that give your bike a unique cafe racer look Available in black or clear anodized and chrome finishes