Wheels Manufacturing replaceable derailleur hanger
This is a replacement derailleur hanger for the Specialised non-SCS system compatible frames, not to be confused with Dropout-283 which is for Specialised SCS system compatible disc road frames
This is a CNC machines 6061 aluminium black anodised hanger, which attaches to the frame with 2 x M3x8 flat head screws (included, these are silver)
This hanger is stiffer than the original, but all still break before your frame, it is laser etched for easy identification
This part replaces part number 9890-4226 and 9890-4224