Overview: The Shimano SM-BB72-41 Press-Fit Bottom Bracket is engineered for BB86/BB92 frame shells and Hollowtech II cranksets. Built with Shimano?s renowned precision, it delivers ultra-smooth rotation, excellent sealing against dirt and moisture, and long-lasting performance for both road and gravel bikes. Key Features: Designed for BB86 (Road) and BB92 (MTB/Gravel) press-fit frames Compatible with all Shimano Hollowtech II road cranksets (24 mm spindle) High-quality sealed bearings for smooth and efficient pedalling Composite bearing cups reduce weight and prevent corrosion Reliable Shimano construction for long-term durability Technical Details: Model No.: SM-BB72-41 Bottom Bracket Type: Press-Fit, for Hollowtech II Shell Width: 86.5 mm Axle Diameter: 24 mm Bearing Type: Sealed cartridge Weight: Approx. 54 g Compatibility: Works with the following Shimano cranksets and series: Dura-Ace: FC-R9000, FC-R9100 Ultegra: FC-6800, FC-R8000, FC-R8100 105: FC-5800, FC-R7000, FC-R7100 GRX: FC-RX810, FC-RX600 Tiagra / Sora: Hollowtech II models Condition: These are OEM Shimano Parts ? Brand new, Never Installed, Never Used in any way, just NOT in retail packaging. Package Includes: 1 Shimano SM-BB72-41 Bottom Bracket