Park Tool - DAG-3 - Derailleur Hanger Alignment Gauge Stock Item:Default Title in the spaces between the

in the spaces between the sprockets

These waterproof bags are indispensable if you want to protect your luggage from water

Machine-washable without compromising protection

3C MaxxGrip

Insert: 15g

Park Tool - DAG-3 - Derailleur Hanger Alignment Gauge Stock Item:Default Title in the spaces between thePARK TOOL DAG 3 DERAILLEUR HANGER ALIGNMENT GAUGE An 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