Headset bearing 1"1/8 integrated or semi-integrated

1 1/8" headset bearing – integrated / semi-integrated 36x45°

The 1 1/8" headset bearing is an essential component of your bike’s steering system, ensuring smooth and precise rotation of the fork inside the head tube. Designed for integrated (IS) or semi-integrated (ZS) headsets, this bearing with a 36x45° angle provides stable, silent, and durable steering performance for any riding style.

Perfect for replacing worn bearings or restoring a fatigued headset, it directly improves comfort, steering precision, and the lifespan of your handlebar setup.

Technical specifications

• Product type: Headset bearing

• Standard: Integrated (IS) or Semi-Integrated (ZS)

• Fork steerer diameter: 1 1/8" (28.6 mm)

• Contact angles: 36° x 45°

• Compatibility: Integrated or semi-integrated headsets with 36x45° bearing cups

• Use: MTB, road bike, gravel, hybrid, urban bikes

• Function: Smooth fork rotation and precise steering alignment

Features and benefits

✔ Precise steering
The 36x45° angles ensure optimal contact between the frame and fork bearings, improving steering accuracy and stability at all speeds.

✔ Wide compatibility
This 1 1/8" headset bearing matches one of the most common standards on modern bikes, making replacement easy without modifying your existing headset.

✔ Smooth rotation and durability
High-quality bearings reduce friction, prevent premature wear of the head tube, and guarantee smooth handlebar rotation, even under intensive use.

✔ Clean and discreet installation
Available in integrated or semi-integrated versions, the bearing fits directly into the frame or cup for a lightweight, sleek, and perfectly aligned setup.

Why replace your headset bearing ?

A worn bearing can cause:

• Creaking or clicking when braking

• Stiff or uneven steering

• Excessive play in the stem

• Premature wear on the frame or fork

Replacing your 1 1/8" headset bearing restores smooth, safe, and precise steering, essential for optimal control and riding comfort.

Compatibility tips

Before purchasing, check:

• Fork steerer diameter (1 1/8")

• Headset type (integrated or semi-integrated)

• Contact angles 36x45° for perfect fit

When in doubt, consult the frame or headset manufacturer’s specifications.

A reliable 1 1/8" headset bearing is the key to precise, quiet, and durable steering, at the heart of control and riding enjoyment.