Rox Speed FX Elite Series Anti-Vibration Handlebar Riser (2" / 7/8" - 1-1/8) (Natural) Anti-Vibe design reduces vibration in bars at high RPM's and provides a slight shock dampening effect to help protect components and rider during harsh impacts. Dual rotation points allow the rider to select optimum riding position for comfort and control. Independent left and right risers adapt to any handlebar clamp width and therefore virtually any machine with 7/8" bar clamps. Tested for maximum strength and durability. CNC-machined from billet T6 6061 aluminum.