If you are unsure of the size and its greater than 13mm, we have one option with 4 size options included in the box, option 13-25mm from the drop down box above.

Having a mounting point on a sports bike allows you to mount your UA Tough case or holder, allowing it to be used for sat nav or music while riding.  You can also use the ball mount for mounting action cameras to record your trip.   This mounting attachment offers a 25mm 1 ball head connection. More information can be found in here.