Shimano SM BB72 Road fit bottom bracket 41 mm diameter with inner cover, for 86.5 mm, Grey

Shimano Reference Number: SM-BB72 Labyrinth seals for durability in wet conditions Frames with a BB86-Road (86.5mm width) BB shells with a 41mm-ID press-fit Item Package Dimension: 5.3 cm L x 5.9 cm W x 14.0 cm H