
Threadless Headset First A-Head Z 1-1/8
First A-Head Z threadless headset for 1-1/8" forks. Complete 10-piece set with bearings and crown race, made from durable black steel.
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Bicycle headsets are essential for precise steering and riding stability. Installed in the frame’s head tube, they allow the fork and handlebar to rotate smoothly and efficiently. A high-quality headset reduces friction, improves handling and increases the lifespan of both frame and fork.
Our range includes integrated, semi-integrated and external headsets, compatible with ahead and quill systems. Suitable for road, mountain, gravel and city bikes.
Choose reliable headsets that deliver smooth rotation, durability and confident bike control on every ride.

First A-Head Z threadless headset for 1-1/8" forks. Complete 10-piece set with bearings and crown race, made from durable black steel.

Acros upper bearing shell with fiber insert for 103/113/133 HT systems (MY2020–2025), offering lightweight construction and precise headset fit.