Shimano’s XT BB-MT800 Bottom Bracket is outboard-bearing and compatible for use with 24 millimeter spindle cranksets.
• Sealed cartridge bearings
&bulll; Bottom bracket for bikes with 68 or 73 mm width bottom bracket shell
• Includes cups, bearings, inner sleeve, and (3) x 2.5mm spacers
• Shimano P/N: IBBMT800B
• Spindle Interface: Shimano Hollowtech II
Brand: Shimano