The Park Tool DAG2.2 Derailleur Hanger Alignment Gauge can help solve a multitude of derailleur shifting problems, most notably with index shifting systems. Updated over the longstanding DAG-1, the DAG-2.2 utilises a longer measuring pointer, longer threaded...
Diagnose tracking or gear shifting problems quickly and easily. Measures frame alignment at the rear dropout Retractable point allows it to work with all shapes and sizes of frame Made in the USA and covered by Park Tool's legendary limited lifetime...
For a wheel to perform properly, it is important for the rim to be centered between the locknuts of the hub, or “dished.” To check this, and to make precision adjustments, a wheel alignment gauge (also called a “dishing tool”)...