Shimano SM-BBR60 Threaded Bottom Bracket

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The Shimano SM-BBR60 Threaded Bottom Bracket is a Hollowtech II-compatible unit designed to work seamlessly with Shimano's two-piece crankset system. Built to Shimano's exacting to lerances, it uses a preload-adjustable cup design that keeps your drivetrain running quietly and efficiently over the long term. Available in both English (BSA) and Italian thread standards, it fits a wide range of road and gravel framesets. Installation is straightforward — the external cup design threads directly into your frame's bottom bracket shell, and the integrated bearing preload system lets you dial out any play without guesswork. For riders running a Shimano Ultegra or 105 groupset, the SM-BBR60 is the manufacturer-specified bottom bracket for those builds, making it a natural replacement or upgrade from whatever came in your frame. Shimano SM-BBR60 Threaded Bottom Bracket Specs at a Glance Compatibility: Shimano Hollowtech II two-piece cranksets Thread standards available: English (BSA) and Italian Cup material: Durable plastic outer cup with sealed cartridge bearings Bearing type: External sealed cartridge Color: Black Show more