RITCHEY COMP CARTRIDGE LOGIC-E HEADSET S.H.I.S:IS42/28.6 perfectly accommodating a convertible helmet

perfectly accommodating a convertible helmet chin bar

Allows high-speed/low-resistance training

BR-R9170-F

the WCS Semi-Integrated ZS Upper Headset features full complement angular contact cartridge bearings packed with Ritchey high-webbing grease

RITCHEY COMP CARTRIDGE LOGIC-E HEADSET S.H.I.S:IS42/28.6 perfectly accommodating a convertible helmetBringing Ritchey's heritage of legendary cycling products into the world of e bikes and electronic shifting, Tom Ritchey designed a unique headset that allows the cables to be run internally from the stem into standard frames without requiring the frame or fork to be modified. The Logic E headset is designed to allow Shimano Di2 and STEPS cables to be concealed from view and the wind while protecting them from damage and is available for integrated IS