Blackbearing T47 68/73-Dub B5 Bottom Bracket

The Blackbearing T47 68/73-Dub B5 Bottom Bracket is a top choice for cyclists looking for streamlined performance and durability. Made for 68/73 mm wide frames, this bottom bracket is compatible with 28.99 mm SRAM DUB axles, providing a stable and efficient fit.

Optimized Alignment for Superior Performance: The two precisely machined aluminum cups screw together for enhanced housing alignment, reducing wear and improving fluidity. The 47 mm compatible frame diameter ensures an adaptable fit across various setups, making this bottom bracket versatile for a range of cycling needs.

Interchangeable Steel Bearings for Reduced Maintenance: With Blackbearing’s interchangeable bearing design, you can replace bearings independently without extracting the entire casing. This feature not only simplifies maintenance but also minimizes the risk of damage to your frame, keeping your bike in prime condition.

Durable Steel Bearings for Reliable Performance: Equipped with high-quality steel bearings, this bottom bracket is built to withstand demanding conditions, ensuring long-lasting smoothness and stability. It provides a dependable and resilient solution for intense rides and regular use.

The screw-on configuration of the Blackbearing T47 Bottom Bracket allows for easy installation, offering a secure fit that aligns perfectly for minimal friction and optimal power transfer.

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.