Park Tool DAG-3 Derailleur Hanger Alignment Gauge Advance Default Function: AXS - Rear

Default Function: AXS - Rear Derailleur

Pad Shape: Narrow

Fitment: All braze-on mounted front derailleurs*

we’ve opted to stick it to censorship and free the nipple

Designed specifically for tubeless use

Park Tool DAG-3 Derailleur Hanger Alignment Gauge Advance Default Function: AXS - RearAn 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,