The Chris King NoThreadSet Tapered SV Headset is a highly durable and long-lasting headset, handcrafted in the USA. It is the preferred choice of professional athletes and enthusiasts alike, especially for tapered headtubes. This headset has been used by tour winners, world champions, and record-breaking endurance athletes.The NoThreadSet Tapered SV is meticulously crafted with utmost care and attention to detail. Chris King is committed to quality and environmentally conscious manufacturing, ensuring that each headset is made to the highest standards. Despite changing trends and fashions in biking, the NoThreadSet Tapered SV remains a trusted and reliable choice.Every NoThreadSet Tapered SV is engineered, manufactured, and assembled in-house at Chris King's headquarters in Portland, Oregon. Fully serviceable and backed by a 10-year warranty, this headset is built to last. The legendary steel bearings and heat-treated, surgical-grade steel races of the NoThreadSet Tapered SV not only create a perfectly integrated system, but also become smoother with use. Chris King has complete control over all aspects of production, allowing them to make bearings to a specification that others cannot achieve.The NoThreadSet Tapered SV features an innovative GripLock retention system, protecting your steerer tube from fatigue and wear. This system also prevents the headset from coming out of adjustment, even during high-impact riding. It is an excellent choice for frames made of carbon or non-standard materials.Key Features:- Engineered, manufactured, and assembled in Portland, Oregon, USA- 10-year warranty- Made-in-house bearings- Patented GripLock retention design for reliable headset adjustment (1-1/8"" only)- Anodized colors with subtle Sotto Voce King logo- Options to fit 1-1/8"" or 1-1/8"" to 1.5"" tapered steerer tubes