Park Tool DAG-3 Hanger Tool derailleur Upgrade to the Max for

Upgrade to the Max for a solid and clean platform for your cycling electronics

Color options: Black / Red / Blue / Grey / Orange / Green

you can clip it on just about anything

Classic collection celebrates cycling with the most recognized colors

Park Tool DAG-3 Hanger Tool derailleur Upgrade to the Max forAn 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,