"Enhance your bike’s handling with the Tripeak Sealed AC Headset Bearing. Precision AC bearings with black oxide coating provide smooth, reliable steering while resisting wear and corrosion. With dimensions of 46.9x34.1x7mm and a 45/45° angle, it ensures precise fitment and optimal load distribution for both road and MTB applications. Ideal for cyclists seeking high-performance, durable headset components for accurate control and long-lasting performance."