Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge

Park Tool DAG-2.2 Derailleur Alignment Gauge Park Tool Derailleur Alignment Gauge and straighenner for keeping drive train in correct alignment. 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 low clearance thru axle derailleur hangers*