A misaligned derailleur hanger can cause skipping, 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 measure 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″+.

• 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: 405 mm (16″)
• Weight: 937 g (33 oz.)

PARK TOOL – DAG-2.2 – 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