RAM Motorcycle Fork Stem Base w/ 1" Ball it includes The Tool -

it includes The Tool - a GoPro thumb screw wrench that doubles as a bottle opener

Non-reflective

the Battery BacPac is a removable battery pack that seamlessly attaches to the back of the camera

Hi-torque thumbscrews for tight and secure attachment

and a Neoprene Shoulder Strap With Aircell Technology to easily carry it all

RAM Motorcycle Fork Stem Base w/ 1" Ball it includes The Tool -The RAM fork stem mount is one of the cleanest ways to mount small electronics on your motorcycle. Simply slide the assembly into the hole of the stem and tighten the machine screw to create a tight fit. This part is designed to fit into the cylindrical bore wall of fork stems and will work with stems that measure from 12 20mm and 28mm or . 5" 1. 10" at the following intervals Metric Standard 12mm . 5 14mm . 55 16mm . 63 18mm . 71 20mm . 79 28mm 1. 10