Ritchey Comp Cartridge ZS44/30 Press-Fit Headset Bottom Assembly

Compared to less-expensive Comp headsets, Comp Cartridge headsets have higher-quality sealed bearings.Use: for 1 1/8" lower head tubes combined with standard 1 1/8" forks. Specifications: Application: Gravel Bottom Cup: 1 1/8" Steerer Tube: 1 1/8" Design: