PAIR Of High Quality Black CNC Machined Aluminium Round Bar End Mirrors for Motorbike Motorcycle 22mm 7/8" Handlebars and Renthal CNC Machined Mirror Housing, Mirror Stem & Bar Ends Are Made From High Quality 6061 Grade Billet Aluminium Convex Glass Mirror - Greatly Improves Rear Vision The Provided Bar Ends Fit Inside Handlebars With An Internal Diameter Between 13mm & 20mm Using The Two Different Size Spacers Supplied Simply Insert Spacers Into The End Of Your Handlebar And Tighten. As You Tighten, The Spacer Expands Inside Your Handlebar And Becomes Tight Locking The Bar Ends Into Position Sold in pairs (you will receive 2 of them). Please See Photos For Measurements