Includes 2 adapter rings (22.2 and 25.4 mm) for direct mounting on the handlebar INTENDED USE: UNIVERSAL MIRROR TYPE: HANDLEBAR END MIRROR FIXING: HANDLEBAR END MIRROR HEAD SHAPE: ROUND MIRROR HEAD DIAMETER: 104 MM MOUNTING SIDE: LEFT OVERALL WIDTH: 168MM Material: Aluminum WITH FLASHING: NO EU-HOMOLOGATION: YES