FSA 1-1/8˝ Upper Headset Bearing

The FSA 1‑1/8˝ Upper Headset Bearing is a smooth, durable replacement part designed to keep your steering precise and your bike feeling fresh. It’s a reliable upgrade for many Trek MTB integrated headset systems.

• Compatible with most Trek MTB integrated headset systems

• Sealed bearing for long life

• Works with Knock Block headsets

• Bearing size: 41 mm × 30.2 mm × 6.5 mm

• Steel construction for durability

Ideal for: Riders replacing worn headset bearings to restore smooth steering and dependable handling.