Park Tool Derailleur Hanger Alignment Gauge DAG-2.2

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*

Fits Shimano® Direct Mount hangers

*Compared to DAG-2