Chris King GripNut Threaded Headset

The GripNut uses a proprietary collet-style locking mechanism rather than a traditional jam nut. This design clamps onto the steerer tube threads independently, which prevents the headset from loosening over time and makes adjustment significantly more precise.

Yes, the GripNut is available in both 1-inch and 1-1/8-inch sizes to accommodate different vintage and modern threaded forks. Be sure to verify your fork's steerer diameter before ordering.

Because Chris King uses high-quality, heat-treated, surgical-grade steel bearings, they require very little maintenance. While they are fully serviceable, most riders find that a simple cleaning and re-greasing every few years is more than sufficient to keep them running smoothly.

Installing a threaded headset requires specific tools, including a headset press and proper wrenches for the locknut. If you aren't comfortable with these tools or don't have access to them, it is best to have a local bike shop perform the installation to avoid damaging the threads.

The King Lifetime Warranty covers manufacturing defects and failures under normal use. It does not cover parts that have worn out naturally over time, but because the headset is fully serviceable, you can replace individual components rather than the entire unit if wear occurs.