Compatible with Motorcycle Handlebar Mount PRO * 1x Spacer to fit handlebars 22.2mm (7/8 inches) in diameter * 1x Spacer to fit handlebars 25.4mm (1 inch) in diameter * 1x Spacer to fit handlebars 28.6mm (1-1/8 inches) in diameter * 1x Spacer to fit handlebars 31.8mm (1-¼”) in diameter Article: Quad Lock Replacement Spacers PRO Handlebar Mount