The Shimano Ultegra SM-BBR60 bottom bracket is designed for road bikes, ensuring efficient power transfer and durability. It is compatible with frames that have a 68mm shell width and utilize BSA (English) threading1.
Key Features
- Optimal Power Transfer: Designed to maximize the efficiency of each pedal stroke.
- Durability: Constructed with reliable Shimano bearings and seals for a long service life2.
- Compatibility: Fits frames with a 68mm shell width and BSA (English) threading, making it suitable for various road bike setups1.
Installation
The bottom bracket features a press-fit design for straightforward installation. It is essential to ensure that your frame’s specifications match the 68mm shell width and BSA threading requirements for proper fit and function.




