Ritchey WCS C-260 Face Plate Replacement Black MPFN-00.4318.020.007 They offer an aerodynamic advantage

They offer an aerodynamic advantage over the 30d rims creating a stiffer more robust platform

Tooth Count 42 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Material Aluminum

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Ritchey WCS C-260 Face Plate Replacement Black MPFN-00.4318.020.007 They offer an aerodynamic advantageRitchey WCS C 260 Face Plate Replacement Black. Replacement faceplates for Ritchey stems.