The Cork Chop Grips are made from a durable cork and rubber compound that offers a gentle and ultra grippy platform to rest your palms. Sturdy machined aluminum alloy lockrings prevent rotation while you ride. The Ergonomic shape of the Cork Chop grips keeps your hands comfortable longer. Cork is a naturally antimicrobial material, and combined with rubber they provide unparalleled grip and comfort. Now available in traditional cork, or black cork! Coooooooork Chooooooop!