Ritchey Logic-E Cartridge Press Fit Upper Headset - ZS44/28.6

Ritchey Logic-E headset is designed to work with Shimano STEPS or Di2, routing the cable through the frame without the need to modify fork or frame.

• S.H.I.S Upper: ZS44
• S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
• Color: Black
• Bearing Type: Sealed Cartridge