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SM-BB93 Bottom Bracket


If you want to mount XTR Hollowtech II 24 mm cranks of different generations from FC-M980 to FC-M9100 on a frame with BSA bottom bracket and 68 mm or 73 mm case width, the SM-BB93 is the most suitable Shimano bottom bracket. The bottom bracket has special seals that were developed for MTB use. It also impresses with smooth running and low weight.



  • Application: Cross Country, All Mountain, Enduro
  • Series: XTR
  • Type: BSA</