Feedback Sports Pro Truing StandThe Feedback Sports Pro Truing Stand is a solid investment for anyone looking to do their own maintenance. Can be used on wheels up to 29'' whether the tire is attached or not. The single arm design doesn't restrict how you approach your wheel. Mount base and bench adaptor provided. Single spring tip indicator for checking lateral and radial rim position. Disc brake rotor truing slot; checking the dish by simply flipping the wheel has never been easier. 12mm and 15mm axle adaptors provided. Easily portable; mounts to Feedback brand work stands.817966011298