Specialized Rockhopper Disc 2009 review - The Bike List
Amazon.com : Derailleur Hanger, Bicycle Bike Dropout Derailleur Hanger 65 for Hardrock, Hotrock, Rockhopper, S-Works, Stumpjumper with Bolts Silver : Sports & Outdoors
Specialized Rockhopper Disc 2009 review - The Bike List
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Amazon.com : raceTi Specialized fit Rear mech/derailleur Hanger, Replaces 9895-4020 or Hanger G,fits Many Models- See Description for Full List. : Sports & Outdoors