Mount the RockyMounts DriveShaft HM pretty much wherever you want and secure your thru-axle fork bicycle to your vehicle. Perfect for trucks, SUV's, and trailers this mount has a flat mounting surface making it easy to bolt to a secure surface. The wide mouth makes it easy to load the thru-axle into the mount, and a T-Bolt easily adjusts the tension on the axle preventing it from slipping or an inadvertent removal. Shims are included to accept 15 (boost and non-boost) and 20mm thru-axles as well as 12mm. Lock and keys are included but mounting hardware is not. The bolt holes accept M6 or 1/4-inch bolts. A dummy axle with 9mm QR skewer sold separately if you need to transport a bike that uses quick release dropouts.