FSA

NO.55R 1.8" CUP/ICR Headset, H2473, TH-894/CR-1

Clean lines, smooth steering, zero cable clutter. The FSA NO.55R 1.8" CUP/ICR Headset delivers the refined performance and integrated look demanded by today’s modern frames. Designed for internal cable routing (ICR) systems, this headset allows brake and shift lines to disappear seamlessly into the frame, creating a clean, aerodynamic profile without sacrificing precision handling.

Built for both road and mountain applications, the NO.55R offers the durability, alignment accuracy, and buttery steering feel serious riders expect from FSA’s premium headset engineering. Whether it’s a sleek endurance road build or a progressive trail machine, this headset keeps the front end tight, quiet, and perfectly dialed.

• Integrated Cable Routing (ICR): Allows fully internal brake and shift cable routing for a sleek, modern cockpit.
• 1.8" Lower Cup: Provides compatibility with oversized tapered steerer designs for added stiffness and control.
• Versatile Fit: Works with a wide range of road and MTB frames using integrated cable systems.
• Precision Bearings: Delivers smooth, consistent steering performance ride after ride.
• Clean Aesthetic: Keeps the front end streamlined for a pro-level finish.

The FSA NO.55R is the choice for riders building a clean, high-performance machine from the ground up—where every detail matters.