Park Tool – DAG-2.2 Derailleur Hanger Alignment Gauge

A misaligned derailleur hanger can cause skipping, and missed shifts, and wreak general havoc on your bicycle’s drivetrain. The DAG-2.2 is an indispensable shop tool that can be used to both measures and straighten misaligned derailleur hangers, diagnosing and solving many shifting problems. Compatible with virtually all derailleur-equipped bicycles, and adjusts to work with wheels from 16″ to 29″+.

DAG-2.2 Features:

Compatible with 16″ to 29″+ wheels (ISO/ETRTO rim sizes from 317 to 630+)
Fits most frame/hanger combos including low-clearance thru-axle derailleur hangers
Length: 420 mm (16.5″)
Weight: 645 g (22.75 oz.)

What’s in the box
1 x Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge