Ritchey Ritchey Logic Comp Threadless Headset
Amazon
Ritchey Comp Logic Threadless Bike Headset - 1-1/8" Steerer Diameter, Threadless, Steel with Aluminum Cups, Semi Cartridge Bearings, for Mountain, Road, Cyclocross, Gravel, and Adventure Bikes
bikes & moore
Ritchey Comp Logic Threadless Headset