Handlebar Riser Bushings for Harley 18-23 Softail Slim Fat Boy Bob Street BobItem No: 103047 Features: Made of 6061 T6 Aluminum, machined with CNC Cut, which is light, but hard than poly; Elminate slippiness, and provide exceptional vibration adsorption with O ring; Finsh with chrome plated; Stable, non slip for higher handlebar, especially for 14 16"18" 20" bars; Color: Chrome Sold in Pack, total 4pcs. Fitment Fits for the risers bolt inner diameter is around 0. 85 inches. Compatible with 18 later Softail, 83 Later Touring