![Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge](http://redmonkey-sports.myshopify.com/cdn/shop/products/pk6323.jpg?v=1698894588&width=1080)
Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge
- Ensures rear derailleur hanger is parallel to wheel
- Mounts to hanger and measures distance to wheel
- Gauge arm also functions as cold set correction tool
- Chrome-plated steel construction
- Fits 20" to 29"+ wheels
- Improved clearance and reach works on more frame/derailleur hanger combos, including low clearance thru axle derailleur hangers