Park Tool Derailleur Hanger Alignment Gauge DAG-3 Size:NONE - Long rear beam projection

- Long rear beam projection

The BTS-1 is a precision tool system for ensuring threaded bottom bracket shells are properly aligned and faced

The 2-bolt clamp is designed to ensure an easy setup and your saddle stays put

- The BBT-22 is a shop quality tool for installing and removing Shimano and ISIS Drive splined 20-tooth bottom bracket cups

- Syncros seat post

Park Tool Derailleur Hanger Alignment Gauge DAG-3 Size:NONE - Long rear beam projectionAn 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,