Easier to install

and has 1/4"-28 TPI thread at the end

especially if you're running taller T-bars or ape hangers

One end is 1-1/2" inside diameter

Rectangular Motorcycle Mirror - Perch Mount - Chrome Motorcycle Specific_Vintage Triumph Easier to installNeed that mirror to stay legal, or clear up a fix it ticket from the man? No billet, skulls, or LEDs here! This is a classic, compact square motorcycle mirror can be adjusted and mounted on either left or right hand side. The stem is 4" long with 8mm x 1. 0 threads, the mirror is a tidy 4 1 2 inches by 2 1 4 inches, and the whole assembly is chromed steel. Perch mount mirrors install in the mirror hole found on most hand controls, or can be used with