Those of us who use a Feedback Sports truing stand will appreciate the quick fix of the Thru-Axle Adapters. Available in 12, 15, and 20 mm sizes, these easy-to-use adapters let you get your wheel up on the truing stand for easy repairs. Flip the lever for a secure fit and get to work. And when you're done, the compact design fits neatly with your other tools in your toolbox. Intuitive thru-axle adapters for varying axle sizes Allows you to quickly true wheels so you can get back to riding Only compatible with Feedback Sports truing stands.