Enhance your bike’s handling with the Tripeak Sealed AC Headset Bearing. Designed with precision AC bearings and black oxide coating, it provides smooth, reliable steering while resisting wear and corrosion. Measuring 51.8x40x8mm with a 36/45° angle, it ensures accurate fitment and balanced load distribution for both road and MTB applications. Perfect for cyclists seeking high-performance, long-lasting headset components for precise control and durability.