John’s Harley bolt on neck kit is available for both 41mm and 49mm. All set ups have stock trail so your bike will ride great at all speeds. Using an American Suspension bagger short neck triple tree is a statement about your personal values. Outfitting your bike with an American Suspension front end gives you the finest ride money can buy. 23″ big wheel kit for installing a 23″ wheel on your Harley Davidson touring model. Level 2 installation difficulty.