The Shimano Ultegra Bottom Bracket is a top-of-the-line component designed for cyclists who demand the best in performance and reliability. With its high-quality construction and smooth operation, this bottom bracket ensures a seamless riding experience. Compatible with Shimano Ultegra cranksets, it is easy to install with its Italian thread size of 70mm. Upgrade your bike with the Shimano Ultegra Bottom Bracket for a superior cycling experience.