Shimano Ultegra SM-BB71-41B Press-Fit Road Bottom Bracket

The Shimano Ultegra SM-BB71-41B Press-Fit Bottom Bracket is engineered for seamless integration with a wide range of Shimano groupsets, including Ultegra, 105, Tiagra, and RS500 cranksets. It’s the perfect choice for road, cyclocross, and equivalent bikes.

Precision Fit for Performance: Designed for frames with an 86.5 mm case width, this bottom bracket supports Hollowtech II cranksets with a 24 mm axle. Its press-fit installation ensures a secure connection and optimized power transfer for efficient cycling.

Lightweight and Durable Construction: Crafted from high-quality synthetic materials, the SM-BB71-41B is lightweight yet robust. Its black bearing cups are designed to deliver smooth operation and longevity, even under demanding conditions.

Enhanced for Older Systems: Ideal for older 10-speed road and cyclocross setups, this bottom bracket provides reliable performance and smooth crank rotation, breathing new life into your bike.

With Shimano’s trusted engineering, the SM-BB71-41B offers consistent, high-performance operation, making it a valuable upgrade for cyclists seeking durability and efficiency 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.