Tool Park Tool DAG-3 Derailleur Hanger Alignment Gauge Black

Line it up

A lightweight, accurate alignment gauge for diagnosing and repairing bent or misaligned derailleur hangers.

The DAG-3 Derailleur Hanger Alignment Gauge is light, accurate and versatile. The long, precision-extruded aluminum body is built to exacting tolerances and provides ample leverage for adjustments.

The sliding indicator measures derailleur hanger alignment against bicycle rims of any size, and rotates out of the way to clear seat stays, racks, and other obstacles for 360 degree measurement.

Key Features

• Compatible with 16" to 29"+ wheels (ISO/ETRTO rim sizes from 317 to 630+)
• Low-profile head fits low clearance thru-axle derailleur hangers and Shimano® Direct Mount hangers
• Replaceable M10 threaded tip
• Length: 16.5" (420mm)

Specifications