Park Tool Derailleur Hanger Alignment Gauge

The DAG-2.2 is an indispensable shop tool that can be used to both measure and straighten misaligned derailleur hangers solving a high percentage of shifting problems.

- Gauge bar made of heavy gauge, chrome plated steel
- Adjusts to fit 20" to 29"+ wheels
- Replaceable threaded tip
- Upgraded large inner shaft for added strength*
- Tighter tolerances for improved accuracy*
- Improved clearance and reach to fit more frame/hanger combos including low clearance thru-axle derailleur hangers*

*Compared to DAG-2