This replacement derailleur hanger 101 is CNC machined from 6061 aluminum in our Colorado shop to exacting tolerances. It features a black anodized finish, includes two M4x8 flat head screws, and replaces Cervelo part #DRH-R-2003. Compatible with most pre-2011 Cervelo models with a replaceable derailleur hanger — Derailleur Hanger 45 may have been used on older frames.
