Avon Grips Chrome Excalibur 1" Axle Nut Covers AXL-EX-CH Cover up those stock axle nuts with a matching look and custom set of axle nut covers Avon now offers axle nut caps that match their most popular grip and peg ends, as well as a few very popular muffler tips Small details on your bike matter, axle nut covers by Avon make the difference