The Ritchey WCS Headset Cartridge Bearing 1.5 52mm is designed for optimal performance in integrated and drop-in headset systems. Featuring precision 45° x 45° angular contact bearings, this headset ensures smooth steering and durability. Compatible with IS52, ZS55, and ZS56 headsets, it offers easy installation and maintenance, making it an ideal choice for cyclists seeking reliability and efficiency in their ride. The lightweight design further enhances overall bike performance, ensuring a seamless cycling experience.