Full Speed Ahead Internal Headset Upper 44mm- for Ridley CX CheckoutTitle=SDG Hansolo Lock-On MTB Bonus Pack BCD Direct Mount Primary Color

BCD Direct Mount Primary Color Black Position Set Crank Arm Length 175mm Interface ISIS

which snap into place with a magnetized connection

A crown race adapter (sold separately) will allow you to use forks with smaller 1-1/8" or 1-1/4" steerer tubes with a larger 1-1/2" bottom headset cup

Shimano ST-RX400-R GRX 10 speed shift levers use a different cable pull than Shimano's 10 speed road shift levers

Full Speed Ahead Internal Headset Upper 44mm- for Ridley CX CheckoutTitle=SDG Hansolo Lock-On MTB Bonus Pack BCD Direct Mount Primary ColorFull Speed Ahead Internal Headset Upper 44mm for Ridley CX. Replacement headset uppers from FSA. TECH SPECS Color Black Bearing Type Cartridge Weight 65 S. H. I. S Upper IS42 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless