Features: 100% brand new and high quality Fits for 7/8" (about 22mm) handlebar end with standard bar end insert Unique Custom Design, perfect match to most motorcycle 360 Degree Swivel, allows to be placed at ideal angle for your riding position High quality clear White glass give a clear vision on both day and night Easy to insert, direct bolt on to the stock mounting point. Specification: Pivot: 180 degree adjustability Material: Billet Aluminum Glass size: approx. 110 x 56mm/ 4.33" x 2.2" (as picture shows) 4 Colors : Blue, Red, Golden, Black Package List: 2pcs x Motorcycle Bike 7/8"(22mm) Bar End Rearview Mirrors Notice: The mirrors usually installed on motorcycle handlebar, no fit for install on windscreen or other position. There are 2 installation methods: 1. It can be directly installed on the handlebar with a diameter of 22mm (Tighten with medium force, don't tighten too much); 2. Another is to install in the handlebar hole, please check the inner diameter of your handlebar hole before buying: a. 17mm expansion sheet: suitable for the inner diameter of the handlebar hole of 17mm-22mm. b. 13.8mm expansion sheet: suitable for the inner diameter of the handlebar hole of 14mm-17mm. c. The expansion sheet can also be removed and installed in the 6mm handlebar hole (if your solid handlebar is threaded) d: If the plug is too thick to install, you can pull out a circle of expansion sheet.