Blackbearing ZS49/30 Lower Headset Bearing

The Blackbearing ZS49/30 Lower Headset Bearing delivers smooth, precise steering performance for semi-integrated headset systems. Designed to replace your original bearing with exact fitment, it ensures stable control and long-lasting reliability for demanding riders.

Optimized for 1-1/8" Forks: Engineered for 1-1/8 inch (30mm) fork steerers, this bearing fits frames with a 49mm internal diameter at the head tube. Its semi-integrated (Zero Stack) design offers a clean look while maintaining optimal load distribution between the frame and fork.

SHIS Standard Compatibility: Following the SHIS specification ZS49/30, the bearing guarantees a precise fit for compatible frames. It’s widely used in modern road, gravel and mountain bikes that require a dependable lower headset bearing.

Protected Against the Elements: Sealed against moisture and debris, the bearing maintains long-term performance even in challenging riding environments. The Blackbearing ZS49/30 Lower Headset Bearing combines precision engineering and durability for a confident, maintenance-free ride.

Built with high-quality materials, the ZS49/30 bearing ensures smooth rotation, reduced friction and resistance to wear. This provides consistent steering precision and improved handling on every 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.