Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc MPFN-11.4318.003.500 Integrated rings are also incredibly

Integrated rings are also incredibly long-lasting

6" rate (lbs) 550 color violet

Shimano OT-SP41 & SIS-SP51 Derailleur Housing

With a consistent grip size and light-touch action the TwistLoc maximizes efficiency while keeping your hand safely on the bar

Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc MPFN-11.4318.003.500 Integrated rings are also incrediblyRitchey WCS Headset Cartridge Bearing 41. 8 30. 5 8mm 45 45 deg 1pc. Replacement headset bearings for Ritchey headsets. 45 45 degree angular contact sealed bearing Titanium coated for corrosion resistance TECH SPECS Cartridge Bearing Angle 45x45 Bearing I. D. (mm) 30. 5 Bearing Type Cartridge Bearing O. D. (mm) 41. 8 Thickness 8