Handlebar - Flight - RC4 Signature - Black Constructed of high-strength seamless double-butted 2014-T6 alloy, Each handlebar has been shot-peened and hard anodized for improved durability, Oversized 1-1/8* clamp diameter improves bar/clamp grip (requires "oversized" bar mounts), Lightly Knurled left slide helps with grip bar adhesion, without interfering with Lock-On Grips, Includes injection-molded high-density ODI foam bar pad