Ritchey WCS Headset Cartridge Bearing (46.9/34.1mm) (7mm) (45/45deg) - 55450007001
Ritchey WCS Headset Cartridge Bearing (46.9/34.1mm) (7mm) (45/45deg) - 55450007001, Ritchey Headset Cartridge Bearing. Features: Replacement bearings for Ritchey headsets Specs: Size:1-1/8"