Park Tool DAG-3 Hanger Tool derailleur Color options: Black / Red

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

self-sealing and leak-proof valve and optional dirt cover

grinding rails or riding in your local skate park

you can clip it on just about anything

Valve and wipe included for Tubeless setup

Park Tool DAG-3 Hanger Tool derailleur Color options: Black / RedAn 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,