ACB872K (MR043) Bicycle Headset Bearing - 30.2 x 41.5 x 6.5 mm 36°x36°

The EasyBikeParts ACB872K is a high-quality sealed angular contact bearing, designed for smooth performance and durability. Compatible with 1-1/8" headset systems and a direct replacement for the FSA MR043, this bearing delivers reliable operation and excellent protection against dirt, moisture, and wear—ideal for high-performance cycling applications. Key Features: Angular Contact Design (36/36) – 36/36 degree chamfer angles provide optimal load distribution, perfectly suited for headset applications. Sealed Design – Rubber seals provide superior protection against dust, dirt, and water, ensuring long-lasting performance. Durable Construction – Made from high-quality steel for excellent strength and resistance to wear under heavy loads. Smooth Rotation – Precision-engineered to reduce friction, improving steering feel and component lifespan. Wide Compatibility – A direct replacement for the FSA MR043 and compatible with a range of 1-1/8" headset systems. This is an EasyBikeParts bearing, not an official FSA product. Specifications: Bearing Type: ACB872K Dimensions: 30.2 x 41.5 x 6.5 mm Chamfer Angles: 36/36 Inch Classification: 1-1/8" Alternative References: MR043 / MR049 / 160-6475 / TH-872 Material: High-grade steel Seals: Rubber sealed for added protection