This truing stand is lightweight yet provides excellent stability for bicycle wheels. It's foldable and can be stored compactly, so it won't get in the way when not in use. You can work on it at home or in a small space. It can handle both vertical and horizontal truing with a single stand. Suitable for both front (front wheel) and rear (rear wheel) wheels. Compatible with wheels from 16 to 29 inches, including road bikes, cross bikes, MTBs, and mini-velos. *This machine is a tool for accurately checking the wobble and distortion of the wheel.* Separate tools are required to adjust the checked wobble and distortion. ・16-29 inch wheels. Compatible with 29-inch wheels without tires. ・Can be used for assembling new bikes, hand-built wheel assembly, etc. *For accurate rim centering, use a rim centering tool.* *Please use a spoke tension meter to check spoke tension.* With this, even a bicycle mechanic can pass with flying colors! Thank you for viewing.