Derailleur Hanger 687All Wheels Manufacturing replacement derailleur hangers are produced in our Colorado shop to exacting tolerances. CNC machined 6061 aluminum Black anodized finish Scott: 277544, SC R SW1 S DROPOUT 687 and DROPOUT 688 are compatible with the same frames. DROPOUT 687 is for standard mount derailleurs and DROPOUT 688 is for Shimano Direct Mount derailleurs. Does not include axle nut or fasteners.
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