DAG-2.2 Derailleur Hanger Alignment Gauge

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Park Tool

DAG-2.2 Derailleur Hanger Alignment Gauge


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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*

    Specs subject to change without notice. Please check with manufacturer for the most up-to-date information.

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