Avon Superbike Custom Contour Spike Grips Features: Proudly handcrafted in the U.s.a. These grips feature the highest quality components available billet aluminum end caps and collars, and Kraton rubber These metric grips also feature a very unique, patent pending, throttle sleeve, that come complete with interchangeable throttle cams, so a single set of grips will have multiple fitments Fits 7/8 bars