Handlebar grips with optimal ergonomics for touring and travel bikes. Maximum long-distance comfort for hands and back. Features Allows for many different hand positions and upper body positions/back postures Ideal for tours of very long length and bike trips Prevents numb fingers Tested to be back-friendly Two anti-allergic rubber compounds Highest quality rubber grips made in Germany Extremely secure and easy to install - Not approved for carbon handlebars Bar End: Glass fiber reinforced plastic with rubberized grip surface Two sizes Since hand sizes vary considerably, the grips are available in two sizes, small and large. The difference is in the grip width. A larger hand has a better fit on a thicker grip than on a thinner one. Accordingly, a thinner grip is best suited to a small hand. For hand sizes 6.5 - 8.5, we recommend size S, and for 8.5 - 10.5, size L.