Blackbearing D13 40x51.8x8mm 45/45° Headset Bearing

With dimensions of 40 x 51.8 x 8mm and a 45/45° angle, the D13 is perfectly suited for 1"-1/2 fork steerers. Compatible with top brands such as FSA, Stronglight, Cane Creek, Acros, and Ritchey, it offers a seamless upgrade for a variety of bicycles.

Built to Last with Chrome Steel: Made with SAE52100 Chrome Steel balls and rings, the D13 provides exceptional durability and resistance to wear. This robust construction ensures consistent performance, making it reliable for long-term use in demanding cycling conditions.

Angular Contact Bearings for Stable Handling: The D13 features angular contact bearings, designed to efficiently handle radial and axial loads. This advanced design delivers balanced and steady steering, ensuring smooth control on technical trails or long road rides.

Premium Grease for Smooth Operation: Pre-lubricated with premium-quality grease, the D13 minimizes friction and extends the lifespan of the bearing. This high-grade lubrication ensures fluid and effortless steering, making it a dependable choice for all your cycling adventures.

The Blackbearing D13 40x51.8x8mm 45/45° Headset Bearing is designed to deliver smooth and reliable steering for cyclists.

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.