Chris King GripNut Headset - 1-1/8" Black. The Chris King GripNut Threaded Headset incorporates a threaded collet that firmly clamps the threads for better holding power and includes a ten-year warranty.

User-serviceable stainless steel cartridge bearings with full-contact seals

GripNut headset incorporates a threaded collet that firmly clamps the threads for better holding power

10-year warranty

Requires installation tool adaptor