HCM = Handlebar Clamp Mounts. Superior Strength - Forged from aircraft-grade 6061 aluminum. This forging process results in peak strength. Adjustable - Three holes for location adjustment to accommodate a wide variety of wrap-around handguards. Perfect for use with Cycra Probends. Optimal Angles - Form-fitted design allows excellent clearance around hoses and cables. These angles are a perfect match for various bends of handguards. 6061 aircraft-quality aluminum. Black anodized finish. Mount directly on handlebar clamps. Maximum bite to secure handguards. Superior clearance on a wide range of bars. Includes new set of handlebar clamp hardware.