Park Tool DAG-2.2 Derailleur Hanger Gauge

The 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.

• 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*
• Compatible with virtually all derailleur-equipped bicycles including Shimano® Direct Mount hangers