Ritchey Logic-E Cartridge Press Fit Upper Headset - ZS44/28.6 CheckoutTitle=Full Speed Ahead SL-K SCR Stem - 100mm Mounting Type by Brake Model

Mounting Type by Brake Model

Optimal Comfort and Control

Shimano Alfine S501 Chainring Guard Material Aluminum Max Tooth (teeth) 39 Color Silver Mount Type Chainring Defined Color Silver Position Outer Max Tooth 39T

Clamp Style Std Rails Color Black/White Defined Color Black Gender/Age Unisex Length 270 Material Synthetic Rail Material Steel Saddle Cut Out No Weight 260 Width 140

Material: 6061 aluminum

Ritchey Logic-E Cartridge Press Fit Upper Headset - ZS44/28.6 CheckoutTitle=Full Speed Ahead SL-K SCR Stem - 100mm Mounting Type by Brake ModelRitchey 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