BRP - Threaded Bar-End Insert Kit for Aluminum BarsNOTE: Tap is Sold Separately. Select Tap in the Options to include it. Billet Racing Products threaded bar inserts are a more secure mounting system for aluminum handlebars using wrap around style enduro hand guards. They are sold as a self install kit that includes two threaded inserts, two bolts to mount your handguards, and the option to add a 5 8 11 tap to thread your handlebars to an M8 Bolt Spec and an instruction sheet to guide you through the