One 22mm Collet with M6 Thread for Oberon Mirrors, will grip the internal hole of 1" handlebars. (For handlebar bores smaller than 21.5mm please use the 12mm - 16mm collet).
Once assembled into the handlebar, the brass collet and stainless steel expander bolt can now be tightened with quite excessive force, usually you will hear an audible groaning sound as the brass collet tightens to the required torque.
Fits the following model(s):
