Shimano Ultegra BB72-41B Press Fit Bottom Bracket
Shimano BB72-41B Road Press Fit BB Cups - To fit all BB86/92 specific frames compatible with Shimano's 24mm Hollowtech II cranksets. - Sealed for durability in wet conditions. - Ultegra level quality. - To fit frames with a BB86-Road (86.5mm width) BB shells with a 41mm-ID press-fit.