Derailleur Hanger 310 – 6061 Aluminum, Rocky Mountain 1092020 Hanger #9, Thru Axle

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This replacement derailleur hanger 310 is CNC machined from 6061 aluminum in our Colorado shop to exacting tolerances. It features a black anodized finish, attaches with a special low flat head M6-1.0 screw (Rocky Mountain part #180487-010, not included), and replaces Rocky Mountain part #1092020 (Hanger #9). Show more