Shimano’s SM-BB52D Hollowtech II Bottom Bracket is outboard-bearing and compatible for use with 24 millimeter spindle cranksets.
• Sealed cartridge bearings
&bulll; Bottom bracket for bikes with 83 mm width bottom bracket shell
• Includes cups, bearings, and inner sleeve
• Shimano P/N: ESMBB52D
• Spindle Interface: Shimano Hollowtech II
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