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Ensures rear derailleur hanger is parallel to wheel \n Mounts to hanger and measures distance to wheel \n Gauge arm also functions as cold set correction tool \n Chromeplated steel construction \n Fits 20" to 29"+ wheels \n Improved clearance and reach works on more frame/derailleur hanger combos, including low clearance thru axle derailleur hangers
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$93.95