Ultimateaddons motorcycle mirror stem mounting attachment is designed to fit on mirrors / crossbars / fairing bars with a diameter of 8-16mm. Now supplied with latest 3 prong adapter in the box making it a one box solution for fitting to your motorcycle and using your Ultimateaddons tough case or holder to mount your smartphone.

This attachment is designed with the 25mm / 1" ball head which can be used with a wide range of adapters.