The thru-axle hitch pro accommodates ALL 15mm & 12mm thru-axles on the market Threaded inserts allow for instant changes between 15mm & 12mm inserts Comes with roof rack adapter (Thule, Yakima, Kuat, etc) Easily mounts to any flat surface Platform is 3.75 x 1.5` and the holes are 3` center to center Compatible with: 12x100mm, 15x100mm, 15x110mm, 15x132mm, 15x145mm, 15x150mm Thru 12/15mm Black