FSA NO.55R ACR Steuersatz IS52/ZS56 | 1.5" Tapered integriert

Integrated headset with ACR technology for clean cable integration.

The FSA NO.55R ACR headset is the ideal solution for modern road and gravel bikes with fully integrated cable routing. Thanks to ACR technology, cables run completely through the stem and frame – for a clean look and improved aerodynamics.

The headset is designed for tapered fork steerer tubes (1 1/8" – 1.5") and fits frames with a corresponding 1.5" head tube.

Highlights:

ACR cable integration: completely internal cable routing for a clean look.

For modern cockpits: compatible with ACR & ICR stems.

Tapered compatible: 1 1/8" – 1.5" fork steerer tube.

High-quality bearings: durable angular contact bearings.

Lightweight: only approx. 92g for high-end builds.

Technical Data:

Manufacturer: FSA

Model: NO.55R ACR

Type: Headset

Standard: IS52 / ZS56

Fork Steerer: Tapered 1 1/8" – 1.5"

Head Tube: 1.5"

Bearings: 36° x 45° ACB

Stack Height: approx. 10.9 mm

Material: Aluminum / Stainless Steel

Weight: approx. 92 g

Important Note:

Only compatible with frames and stems with ACR or ICR system

Scope of Delivery:

1x FSA NO.55R ACR Headset

Note: Workshop packaging (without retail packaging)

“Clean cockpit and modern integration – the perfect headset for high-end builds.”