FSA

NO.55R/44/1.8" Headset, H2285, 6.1mm Upper Stack Height, TH-874-1

FSA NO.55R/44/1.8" Headset delivers the precision and integration today’s riders demand, combining sleek design with smooth, friction-free steering. Built for frames that use fully internal cable routing, this headset keeps cables hidden for a clean, aerodynamic look without sacrificing performance. Whether building a modern road machine or a dialed trail bike, riders can count on FSA’s engineering to deliver reliable alignment, low stack height, and uncompromising durability.

With its compact 6.1mm upper stack height and high-quality sealed bearings, the NO.55R ensures consistent steering and long-term performance in all conditions. Perfect for those who value both function and form, it’s a small but critical detail that elevates the entire build.

Key Features:

• Designed for integrated cable routing systems for a clean, modern aesthetic
• Compatible with both road and MTB frames supporting fully internal cable setups
• Precision TH-874-1 bearings deliver smooth, durable steering performance
• Low 6.1mm upper stack height ensures a sleek, compact cockpit profile
• Ideal for performance-focused builds balancing style, integration, and reliability