Essential for diagnosing bent or misaligned derailleur hangers, often the source of shifting problems, the Park Tool DAG-3 Derailleur Hanger alignment gauge helps you make more accurate repairs.
- Updated design is built to be lightweight, accurate and versatile
- Sliding indicator can measure derailleur hanger alignment against bicycle rims of any size
- Indicator rotates out of the way to clear seat stays, racks and other obstacles, allowing for 360° measurements
- Long, precision-extruded aluminum body is built to exacting tolerances and provides ample leverage for making adjustments
- Replaceable M10 threaded tip
- Compatible with 16 to 29+ in. wheels (ISO/ETRTO rim sizes from 317 to 630+)
- Fits low-clearance thru axle derailleur hangers and Shimano Direct Mount hangers
Made in USA.
View all Park Tool Bike Drivetrain Tools| Best Use | Cycling |
|---|---|
| Material(s) | Aluminum |
| Dimensions | 16.5 inches |
| Weight | 645 grams |