Avon Grips Black Custom Contour Fly by Wire Grips for Harley Davidson Fits: 84' and up Fly By Wire Fits 1" bars. Inside length: 4.60" OD = 1.45". Contoured for your hands, custom for your bike! The Avon Custom Contour Chrome grips just feel right in your hands. Made in the USA with Kraton rubber and feature a very soft serrated texture to help hang on to your bike. Finished off with only the best 6061 billet aluminum end caps and collars.