The Reflex grips have been engineered to reduce impacts and vibration being passed on to the riders’ hands to allow you to ride more with less pain and fatigue.V2.1 lock-on single clamp system provides more useable grip spaceReinforced durable endsSoft flexible ribs at thumb provide impact dampingPadded top grip section for excellent shock absorptionAngled waffle pattern with oversized top rib that matches finger articulation points for improved control and more ergonomic feelMedium/Large Profile / Medium compound diameter 33.5mmMade in the USA