Blackbearing D18 40x52x7.5mm 45/45° Headset Bearing

The Blackbearing D18 Headset Bearing is specifically crafted for cyclists seeking reliable performance and durability. With precision engineering, it serves as an ideal replacement for your original headset bearings, ensuring effortless and responsive steering.

High-Quality Materials for Long-Lasting Use: Made from SAE52100 chrome steel, the balls and rings provide exceptional strength and resilience. Combined with premium-quality grease and angular contact design, this bearing ensures consistent performance and smooth operation over extended use.

Optimized Design for Cycling Performance: Featuring dimensions of 40 x 52 x 7.5 mm and a 45/45° angle, the Blackbearing D18 is tailored for precise compatibility with your bike’s steering system. Its specific joints further enhance functionality and reduce wear during intense rides.

Versatile Compatibility: Whether you're replacing headset bearings from leading brands or upgrading your current setup, the Blackbearing D18 offers a comprehensive and versatile solution. It's designed to work seamlessly with a variety of cycling setups.

Elevate your bike’s handling and responsiveness with the Blackbearing D18 Headset Bearing. Experience smoother steering and the reliability you need for every adventure.

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.