![Derailleur hanger alignment gauge tool](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Features:
Durable body to last.
Ball pestle that holds the tool firmly and with controllable play.
Interchangeable M10 tip.
Step by step instructions
Use:
High-end road bikes and MTB
Everyday wheels with or without removable derailleur hanger
Wheel size from 20 inches to 29 inches+