Shimano Deore SM-BB52 2-Piece Bottom Bracket

The Shimano Deore SM-BB52 Bottom Bracket is built for durability and consistent performance, offering a significant upgrade in sealing compared to previous generations. Designed for HollowTech II cranksets, it ensures smooth rotation even in demanding conditions.

Built to Withstand the Elements: This bottom bracket is engineered with improved sealing technology that effectively keeps out dirt, mud and moisture. Whether you're riding through rain, gravel, or trail debris, the SM-BB52 provides reliable protection to extend component life.

Smooth Rotation with HollowTech II Compatibility: Its precision bearing system ensures minimal resistance and friction, delivering efficient pedaling and consistent power transfer. Optimized for 24mm spindles, it works seamlessly with Shimano HollowTech II cranksets for both MTB and trekking setups.

Rugged Construction for Demanding Use: The right and left BSA threaded adapters are built to fit securely into frames with 83mm hanger width. With durable construction and robust internals, this bottom bracket is a dependable foundation for aggressive trail riding or daily commuting.

Designed for performance and longevity, the Shimano Deore SM-BB52 Bottom Bracket is a great choice for riders who demand more from their drivetrain.

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.