Spider Motorsports Grips use specially formulated compoundsthat retain tackiness when wet. These compounds molded intodiamond web design shed water and make it easier to hold onfor better control and less fatigue. Firm first layerreflects vibration and increase durability. Integratedsafety wire grooves. End caps reinforced to improvedurability. Softer gel outer layer sheds mud and water,increases gripping power, reduces vibration for more comfort -less fatigue. Motorcycle grips. 7/8 " / 1"