Diamond Spider M1-Y/B Yellow with Black Diamond Spider Motorsports Grips use specially formulated compounds that retain tackiness when wet. These compounds molded into diamond web design shed water and make it easier to hold on for better control and less fatigue. Firm first layer reflects vibration and increase durability. Integrated safety wire grooves. End caps reinforced to improve durability. Softer gel outer layer sheds mud and water, increases gripping power, reduces vibration for more comfort - less fatigue. Off road grips. 7/8 " / 1"