Park Tool DAG-3 Derailleur Hanger Alignment Gauge

The Park Tool DAG-3 derailleur hanger straightening tool is essential to detect and repair bent or misaligned derailleur hanger, which are often the cause of shifting problems. The Park Tool DAG-3 derailleur hanger alignment tool features a completely new design, developed and built to allow easy and accurate work. The caliper can measure shift eye alignment on wheels from 16 to 29 inches. A 360-degree measurement is easily possible despite luggage racks and seat stays thanks to the rotating caliper. The long, precision-pressed aluminum body is manufactured to exact tolerances and provides great leverage for adjustment. Technical details of the Park Tool DAG-3 Derailleur Hanger Alignment Gauge Compatible with 16" to 29"+ wheels (ISO/ETRTO rim sizes from 317 to 630+) Replaceable M10 threaded tip Low-profile head fits low clearance thru-axle derailleur hangers and Shimano® Direct Mount hangers Length: 16.5” (420mm) Weight: 22.75 oz. (645g) PLAY YOUTUBE VIDEO By clicking on "Accept & Play", you agree that Youtube sets cookies on your end device and that data is transmitted to Youtube. For more information please see HOW GOOGLE USES COOKIES Accept & Play