Length: 5", Diameter: 0.8" Material: Aluminium Alloy and Rubber Antislip material for a firm grip Design your own personalized bike stytle. Feature: Firm and durable, antislip and shockproof, Strongly personal characteristics Description: This grips are much more comfortable, it made your hands and wrists no longer hurt or go numb . The grips are easy to install , you can dip them in warm soapy water before installing them. They are antislip and shockproof, reduce the pain of palm while riding for some time. They provide the best grip and increase the safety of riding.