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DAG-3 Derailleur Hanger Alignment Gauge
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Only 5 In stock
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DAG-3 Derailleur Hanger Alignment Gauge
An alignment gauge is essential for diagnosing and repairing bent or misaligned derailleur hangers, often the source of shifting problems. The DAG-3 features an all-new design, engineered and built to be light, accurate and versatile. The sliding indicator can measure derailleur hanger alignment against bicycle rims of any size, and rotates out of the way to clear seat stays, racks, and other obstacles, allowing 360 degree measurement. The long, precision-extruded aluminum body is built to exacting tolerances and provides ample leverage for making adjustments.
Details
- Item #PARE03B
- Compatibility
- 16in to 29in wheels
- Claimed Weight
- 22.75oz
- Recommended Use
- bike maintenance
- Manufacturer Warranty
- limited lifetime

Fix It Fast
Since 1965, Park Tool’s mission has identified the needs of the professional and amateur bike mechanic, and made high quality tools to meet those needs.
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