DAG-3 Derailleur Hanger Alignment Gauge 105 Di2 we've combined the newest in

we've combined the newest in headwear technology

compatible with 142 x 12mm and 148 x 12mm

easy-pull zipper for ease of access even when race day adrenaline is at its peak

3 Rear Pockets

Designed for triathletes and swimmers

DAG-3 Derailleur Hanger Alignment Gauge 105 Di2 we've combined the newest inAn 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,