Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge Olight compact flashlight The 11-42T cassette and 10-speed

The 11-42T cassette and 10-speed thumb shifter provide reliable

Chinese (Traditional)

2 X Type-C output

These premium electrodes deliver outstanding performance at an exceptional price

7 degrees Field of view at 1000m 161m Exit pupil diameter 4

Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge Olight compact flashlight The 11-42T cassette and 10-speedEnsures 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