The Giant MY17 Fathom Dropout Hanger is a precision-engineered replacement component designed to restore perfect shifting and rear-wheel alignment on your 2017 Giant mountain bike. This genuine OEM part is specifically tailored for the Fathom, Anthem, and Trance models, as well as Liv Pique and Hail frames that utilize the 148x12mm Boost thru-axle standard. Your mountain bike’s rear derailleur relies on precise geometry for smooth, accurate gear transitions.






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