Our Ref: CC009. (a) Your existing hanger, back and front, preferably having removed from your bike & rear derailleur, OR. 2015 CS 701, CS 601, CS 501, CS 401, CS 400, CC500, MQ 529, MS 829, MS 929, MQ 327, MQ 427, MS 329, MS 429, MS 529, MS 729, MS 527, MS 627, MS 727, MS 827, MS 327, MS 427, MS 227.
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