Compatibility: Designed to be compatible with FSA NO.42 ORBIT C-40 headset models, fitting 1-1/8" to 1.5" sizes, IS42/IS52 standards, ensuring a perfect fit for your bike.
Model Specifications: Includes MH-P08F 45° upper bearing and ACB518K 36°×45° lower bearing, providing precise angular contact for smooth steering performance.
Double Sealed Design: Both bearings are equipped with 2RS double seals, offering excellent protection against dirt, dust, and moisture, extending the life of the bearings.
Durable Material: Made from bearing steel, these headset bearings provide superior strength, wear resistance, and long-lasting performance.