Rotor UBB4630 BBright BB Steel Bottom Bracket

The Rotor UBB4630 BBright BB Steel Bottom Bracket connects compatible 30 mm crank axles to frames using the BBright press-fit standard. It provides a secure interface for performance-focused road and triathlon bicycles.

Durable Steel Bearings: High-quality steel bearings deliver smooth crank rotation with dependable durability for regular training and racing. Their sealed construction helps protect the internal surfaces from water, dirt and road contamination.

Thread-Together Construction: The two sides connect through a threaded centre section to support accurate bearing alignment inside the frame. This design can also help reduce unwanted movement and noise commonly associated with press-fit systems.

Rotor Crank Compatibility: The bottom bracket is designed for compatible Rotor cranksets with 30 mm axles and BBright frame shells. Its approximately 100 g construction balances strength, smooth operation and practical long-term use.

Rotor UBB4630 BBright BB Steel Bottom Bracket offers secure installation, smooth rotation and dependable support for compatible BBright bicycle setups.

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.