Blackbearing D1 40x51.8x8mm 36/45° Headset Bearing

The Blackbearing D1 40x51.8x8mm 36/45° Headset Bearing is designed to deliver smooth and reliable steering performance. As a high-quality replacement, it ensures stability and precision for cyclists who demand top-tier handling.

Chrome Steel Construction for Long Life: Built with SAE52100 Chrome Steel balls and rings, the D1 provides excellent durability and resistance to wear. This robust material ensures consistent performance and reliability, even in the toughest cycling conditions.

Angular Contact Bearings for Balanced Steering: The D1 features angular contact bearings, which efficiently handle radial and axial loads. This advanced design enhances stability and control, making it ideal for navigating sharp turns and challenging terrains with confidence.

Premium Grease for Smooth Operation: Pre-lubricated with high-quality grease, the D1 minimizes friction for effortless steering. This premium lubrication extends the bearing’s lifespan, ensuring smooth and reliable performance for miles of cycling adventures.

The Blackbearing  D1 is tailored for 1"-1/2 fork steerers. Compatible with brands like FSA, Stronglight, Cane Creek, Acros, and Ritchey, it offers a versatile solution for upgrading your bike’s steering system.

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.