Ritchey Comp Cartridge Drop-in IS42/30 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: Cross Country Lower Bearings: 1 1/8" Steerer Tube: 1 1/