Avon Grips Air Cushioned Rival Grips - Black, Color: Black MT-AIR-90-AN-RIV Manufactured in the USA with a special core bar that creates air pockets inside the grip body. These air pockets dampen vibrations, help eliminate the tingle in your hands and soften the overal feel of the ride. The soft serrated texture on the grip surface helps you hold on to your bike with no-slip confidence. The grips are finished off with only the best 6061 billet aluminum end caps and collars. Inside length 5.50in., OD 1.585in.