Derailleur Hanger 334 – 6061 Aluminum, BMC Hanger #37

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This replacement derailleur hanger 334 is CNC machined from 6061 aluminum in our Colorado shop to exacting tolerances. It features a black anodized finish, attaches with two M3x12 flat head screws (not included), and replaces BMC Hanger #37 (part #212177). Show more