FSA frame cap NO.55R 1.5/ACR/STD H2473

FSA frame cap NO.55R 1.5/ACR/STD H2473

FSA frame cap (Top Cone) for the NO.55R 1.5/ACR/STD headset – H2473

The FSA H2473 frame cap is designed for the FSA NO.55R 1.5 ACR STD headset. It serves as the upper cone cap (“top cone”) providing a smooth transition between the frame and the stem when routing cables through the ACR (Aerodynamic Cable Routing) system. It forms an aesthetically clean and functional finish of the head tube on modern road and gravel bikes.

Features and benefits

• Original FSA H2473 part for NO.55R 1.5 ACR STD headsets.
• Enables internal cable routing through the ACR system – clean design with no visible cables.
• Precision CNC machining for a perfect fit and seal.
• Made of lightweight and durable aluminium alloy.
• Anodised finish – protects against corrosion and damage.
• Ideal replacement part for frames with integrated cable routing.

Technical data

• Model: H2473
• Type: top cap (Top Cone)
• Intended for: FSA NO.55R 1.5/ACR/STD headset
• Routing system: ACR – Aerodynamic Cable Routing
• Material: AL6061 aluminium
• Diameter: 1.5" (lower part)
• Finish: anodised, black
• Compatibility: road, gravel and aero frames with the FSA ACR system

Use and recommendations

The cap is suitable for bikes with the FSA ACR system, where it ensures a smooth connection of the stem and cable routing through the head tube. Recommended for frames with internal routing of hoses and cables.