Chris King Gripnut 1" Headset Getting a Gripnut Chris King's Grip Nut headset is designed for threaded forks that don't require a cable hanger or additional spacers. It's a low stack height threaded headset with a unique collet locking system that stays securely adjusted. Features Engineered, manufactured, and assembled in Portland, Oregon USAKing Lifetime Warranty Legendary made-in-house bearings Grip Nut proprietary collet retention system | Chris King | Gripnut 1" Headset | Violet | 3D, Gripnut 1" /voce Headset