Risers - Elite - Anti-Vibration - 2" Independent left and right risers adapt to any handlebar clamp width, Anti-Vibe design reduces vibration in bars and helps reduce rider fatigue, Dual rotation points allow rider to select optimum riding position for comfort and control, Fit your machine's 7/8" bar clamps; allow you to clamp 7/8" or 1-1/8" taper bars, Engineered and tested for maximum strength and durability, CNC-machined from billet 6061-T6 aluminum with a black anodized finish, Made in the U.S.A., Patent # US 6,920,806 BZ., Confirm you have sufficient below Anti-Vibe bolt when turned full left or right; bolt extends below OE saddle clamp 7/8", First determine if you have adequate brake line/cable length and stem clamp before installing handlebar risers. Longer cables may be required when installing handlebar risers on some models