
Park Tool Derailleur Hanger Tool DAG-2.2
Straighten Out Shifting Problems
A misaligned derailleur hanger can lead to skipped gears, poor shifting, and drivetrain chaos. The Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge is an essential tool for diagnosing and correcting hanger misalignment with precision. Compatible with nearly all derailleur-equipped bikes, it easily adjusts to fit wheel sizes from 16" to 29"+, ensuring smooth, accurate shifting every ride.
- 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.)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Straighten Out Shifting Problems
A misaligned derailleur hanger can lead to skipped gears, poor shifting, and drivetrain chaos. The Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge is an essential tool for diagnosing and correcting hanger misalignment with precision. Compatible with nearly all derailleur-equipped bikes, it easily adjusts to fit wheel sizes from 16" to 29"+, ensuring smooth, accurate shifting every ride.
- 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.)




















