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.

Features

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