Renthal Dual Layer Grips combine the durability of Renthal Firm Compound Grips with the feel and absorption qualities of the Renthal range of softer compound grips, Firm compound is used for the flange, inner sleeve and outer-end of the grip for maximum durability, whereas softer compounds are used for the outer diameter of the grip, which is in direct contact with the palm, fingers and thumb, Feature a smaller inner flange and a precut hole in the end to accommodate bar ends