FSA NO. 55R 1.5" Alloy Headset with ACR Internal Routing - Compatible

Upgrade Your Bicycle's Steering Performance with the FSA NO. 55R Headset - 1.5" Diameter, ACR Standard, Alloy Construction

Enhance your bike's handling, aesthetics, and internal cable routing capabilities with the FSA NO. 55R Headset. Engineered for performance-minded cyclists, this high-quality alloy headset combines precision engineering with innovative features, making it the perfect choice for both road and gravel bikes.

Materials & Durability

Constructed from lightweight yet durable alloy, the FSA NO. 55R ensures reliable performance and longevity even under demanding riding conditions. The high-grade alloy material provides excellent strength-to-weight ratio, reducing overall bike weight while maintaining structural integrity for smooth steering and stability.

Performance & Engineering

Designed for integrated cable routing, this headset facilitates a clean, streamlined aesthetic with fully internal cable management-ideal for modern, sleek bike builds. The FSA NO. 55R supports ACR (Aheadset Cable Routing) standard, allowing for effortless internal routing of shifting and braking cables, resulting in reduced clutter and enhanced aerodynamics.

Components & Technology

This headset includes premium TH-894 and CR-1 components, ensuring precise fit and secure installation. The 1.5-inch lower bearing compatibility offers superior steering precision and responsiveness, whether you're tackling rugged trails or fast pavement. Its advanced engineering allows for smooth rotation and minimal maintenance, delivering lasting performance over countless rides.

Style & Use Case

Featuring a modern, minimalistic design, the FSA NO. 55R seamlessly integrates with both road and gravel bikes, making it an ideal upgrade for cyclers seeking an clean aesthetic combined with high functionality. Perfect for bike builders and enthusiasts aiming for a sleek, internally routed setup that emphasizes style and performance in every ride.

Innovative & Differentiating Features

- Fully supports ACR internal cable routing for clean cable runs and enhanced bike aerodynamics

- Compatible with 1.5" diameter head tubes, accommodating a wide range of modern frame designs

- Alloy construction delivers lightweight strength and resistance to corrosion

- Includes top-quality TH-894 and CR-1 components for optimal fit and steering precision

- Suitable for road, gravel, and adventure bikes focused on style, performance, and internal cable routing

Upgrade your bike with the FSA NO. 55R Headset and experience seamless handling, sleek aesthetics, and a modern internal routing system designed for the discerning cyclist.

• Premium alloy construction ensures durability and lightweight performance for both competitive and recreational cycling.
• Engineered for integrated cable routing with ACR standards, providing sleek aesthetics and simplified installation on modern road, gravel, and MTB frames.
• Includes high-quality TH-894 and CR-1 components, offering precise fitment and smooth steering for enhanced ride control and stability.
• Designed for 1.5-inch diameter head tubes, compatible with a wide range of bike frames, making it an ideal choice for upgrading or building versatile bicycles.
• Innovative internal routing support enables fully internal cable setups, reducing clutter, protecting cables from the elements, and improving overall bike appearance.