Headsets

A well-functioning headset is the silent hero of your bike's handling. It is the bearing assembly that allows your fork to rotate smoothly within the frame, directly affecting your steering precision and front-end stability.

Whether you are looking for a sleek integrated look or a rugged external cup setup, our collection offers the high-performance hardware needed to keep your cockpit quiet and your cornering sharp.

Our Selection Categories:

1. Integrated Headsets (IS)

The modern standard for carbon and high-end alloy frames. These bearings drop directly into the frame’s head tube for a minimalist, aerodynamic profile.

• Best for: Road racing bikes like the Winspace SLC 5.0 and modern gravel builds.

2. Internal/Zero Stack Headsets (ZS)

These systems press a low-profile cup into the frame, housing the bearings inside the head tube. They offer a clean aesthetic with added protection for the bearing seats.

• Best for: Mountain bikes and performance commuters where stack height is a priority.

3. External Cup Headsets (EC)

The classic, ultra-durable choice where the bearings sit in cups outside the frame. This design is prized for its robustness and ease of service on traditional steel and alloy frames.

• Best for: Touring bikes, older mountain bikes, and custom steel builds.

4. Tapered & Conversion Kits

Looking to put a modern tapered fork into an older frame? We carry conversion headsets and crown races to help you bridge the gap between different steerer tube standards.

Key Features to Look For:

• Sealed Cartridge Bearings: Look for stainless steel or high-grade sealed units to ensure your steering stays "notch-free" even after a season of wet-weather riding.
• Angular Contact (ACB): This bearing shape is specifically designed to handle the combined vertical and lateral forces of cycling, providing a longer life and smoother feel.
• Stack Height: Choosing a headset with a lower stack height allows for a more aggressive, aerodynamic handlebar position.

The Alegro Tip: Headset standards can be confusing (IS42, ZS44, EC34, etc.). If you aren't sure which one fits your frame, check the SHIS (Standard Headset Identification System) code printed on your current bearings or frame manual to ensure a perfect fit.

Smooth steering. Total control. Shop our Headset collection to find your perfect fit.