Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge Groupe Thanks to its wide contact

Thanks to its wide contact area

a three-polymer formulation developed from motorsport research for outstanding grip and low rolling resistance

secure and micro-adjustable fit

Spindle - Titanium

wedges and flares

Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge Groupe Thanks to its wide contactThe DAG 2. 2 is an indispensable shop tool that can be used to both measure and straighten misaligned derailleur hangers solving a high percentage of shifting problems. Specifications Gauge bar made of heavy gauge, chrome plated steel Adjusts to fit 20" to 29"+ wheels Replaceable threaded tip Upgraded large inner shaft for added strength* Tighter tolerances for improved accuracy* Improved clearance and reach to fit more frame hanger combos including