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