Park DAG-3 Derailleur Hanger Alignment Gauge Tool algolia-ignore TRP engineers looked at the

TRP engineers looked at the cable release lever’s ergonomics and devised a system to move it in a linear path to mimic the motion of a rider’s thumb

better than gel

Please see the last image for a visual of what the 800mm bars look like

It is suitable for tubes with a diameter of between 28-62 mm

The spray bottle is made from recycled cardboard with a thin plastic bladder

Park DAG-3 Derailleur Hanger Alignment Gauge Tool algolia-ignore TRP engineers looked at theAn alignment gauge is essential for diagnosing and repairing bent or misaligned derailleur hangers which are often the source of shifting problems. The DAG 3 features an all new design, engineered and built to be light, accurate and versatile. Who's this item for: Mechanics looking for a long lasting, precise and versatile tool to re align their derailleur hangers. Combatibility: Compatible with 16" to 29"+ wheels (ISO ETRTO rim sizes from 317 to