Park Tool Derailleur Hanger Alignment Gauge (DAG-3) size-750ml Front-to-rear fold provides increased strength

Front-to-rear fold provides increased strength and stability

Installation is quick and easy

About Shimano Altus BL-MT200 Left Hydraulic Brake Lever

quickly and easily taking the guesswork out of knowing when chain replacement is necessary

Powerful hydraulic disc brakes combine with 2

Park Tool Derailleur Hanger Alignment Gauge (DAG-3) size-750ml Front-to-rear fold provides increased strengthAbout Park Tool Derailleur Hanger Alignment Gauge (DAG 3)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