The DAG-2 is an updated version of the popular DAG-1 and utilizes a longer measuring pointer, longer threaded stud and a longer and narrower alignment boss that fits a wider variety of bicycles.
The Derailleur Hanger Alignment Gauge helps solve many derailleur shifting problems, indluding problems with index shifting systems. It's extremely steady to operate and simple to use. The tool threads directly into the derailleur hanger. The gauge bar holds a gauge that marks the distance to the wheel. The gauge then rotates with the wheel to the 3, 6, 9, and 12 o’clock positions, showing any differences in measurements. Align the derailleur hanger by applying pressure to the tool’s arm. The results can be checked instantly. This tool is made of heavy-gauge steel and it's chrome plated for long shop life.
Manufacturer's Part Number: DAG-2