One 14mm to 16mm Collet with M8 Thread for Oberon Indicators, will grip the internal hole of handlebars that fall within this range. The brass collet and brass expander bolt can be tightened with quite excessive force. For handlebars with an internal handle bore of between 16.5 and 20mm you will also need to choose one of the aluminium adaptors.
Fits the following model(s):
