Park Tool Derailleur Hanger Alignment Gauge All Things Perfectly Aligned Is your derailleur hanger a little bent causing your rear derailleur to shift a little funny? Luckily, this is something that can be fixed. The Park Tool Derailleur Hanger 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. It features a sliding indicator that 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 360deg measurement. The long, precision-extruded aluminum body is built to exacting tolerances and provides ample leverage for making adjustments. Features Compatible with 16" to 29"+ wheels (ISO/ETRTO rim sizes from 317 to 630+)Fits low-clearance thru-axle derailleur hangers and Shimano Direct Mount hangers Replaceable M10 threaded tip Manufacturer's part number: DAG-3UPC: 763477002631Related article: Rear Derailleur Hanger Alignment | Park Tool | Derailleur Hanger Alignment Gauge Park Tool | Derailleur Hanger Alignment Gauge Dag 3
