Ritchey Logic-E Cartridge Press Fit Upper Headset - ZS44/28.6 MFPN=71035078SI 0mm and 32

0mm and 32

Color Black Ring Position/Type Outer Tooth Count 50 Drivetrain Speeds 10 Chainring BCD 110 Shimano Asymmetric Defined Color Black Size 50T

Provides the optimal chainline and clearance for your Super Boost 157mm hubs when used with the standard Race Face 136mm spindle

5 Advertised Weight 3

Ritchey Logic-E Cartridge Press Fit Upper Headset - ZS44/28.6 MFPN=71035078SI 0mm and 32Ritchey 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 Interface Type ZS44 Press Fit