Blackbearing B12 30.15x41.5x6.5mm 36°/36 Headset Bearing

The Blackbearing B12 30.15x41.5x6.5mm 36°/36 Headset Bearing is a high-performance replacement designed to elevate your bike’s steering control. Made specifically for cycling, it seamlessly replaces original bearings, ensuring that your ride remains smooth and responsive.

Exact Specifications for a Perfect Match: This bearing features precise dimensions of 30.15x41.5x6.5 mm with a chamfer angle of 36°/36, making it an ideal fit for your bike’s headset. This exact sizing allows the B12 to integrate perfectly, maintaining the original feel and performance of your bike’s steering system.

Durable Chrome Steel Construction: Built with SAE52100 Chrome Steel for both its balls and rings, the Blackbearing B12 is engineered to endure the demands of frequent cycling. This premium material is known for its durability and resistance to wear, allowing the bearing to perform consistently over time.

Premium Grease for Long-Lasting Performance: To keep everything running smoothly, the B12 is lubricated with premium-quality grease that reduces friction and prolongs the bearing’s lifespan. This high-grade grease ensures consistent performance, reducing wear and tear on the headset and enhancing your bike’s responsiveness.

The B12 is designed with angular contact bearings, which are tailored for optimal steering control. This specific design allows the bearing to handle radial and axial loads effectively, enhancing stability while you ride.

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.