Park DAG-3 Derailleur Hanger Alignment Gauge Tool algolia-ignore Front and rear-specific rims optimized

Front and rear-specific rims optimized to address the specific performance requirements and loads of mountain bike riding

The screwing motion greatly helps to position the grip correctly

The spray bottle is made from recycled cardboard with a thin plastic bladder

TRP engineers looked at the cable release lever’s ergonomics and devised a system to move it in a linear path to mimic the motion of a rider’s thumb

Park DAG-3 Derailleur Hanger Alignment Gauge Tool algolia-ignore Front and rear-specific rims optimizedAn alignment gauge is essential for diagnosing and repairing bent or misaligned derailleur hangers which are often the source of shifting problems. The DAG 3 features an all new design, engineered and built to be light, accurate and versatile. Who's this item for: Mechanics looking for a long lasting, precise and versatile tool to re align their derailleur hangers. Combatibility: Compatible with 16" to 29"+ wheels (ISO ETRTO rim sizes from 317 to