Bicycle Rear Derailleur Gear Hanger DropOut for CERVELO R2.5 R3 RS S1 S2 S3

Derailleur Hanger Dropout. Derailleur Hanger is compatible with the following bikes R3 (2008-2010). R3 SL (2006-2007). R3 Team (2006-2007). R2.5 (2005). S1 (2009-2011). S2 (2009-2011).

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