Shimano XTR SM-BB93 English Bottom Bracket - Black;
Shimano XTR SM-BB93 English Bottom Bracket - Black

Shimano XTR BB90/93 Hollowtech II Bottom Brackets
  • Includes TL-FC24 adapter tool
  • Reduced size for light weight
  • New seal construction for smoother...

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Shimano XTR BB90/93 Hollowtech II Bottom Brackets
  • Includes TL-FC24 adapter tool
  • Reduced size for light weight
  • New seal construction for smoother rotation
  • Requires TL-FC34 or included TL-FC24 adaptor for installation & removal
  • Includes 3 x 2.5mm spacers|
Item Specifications
Weight77g
BB/Frame InterfaceEnglish
Spindle Interface TypeHollowtech II
BB Shell Width73,68mm
Defined ColorBlack


  • Lightweight to offset weight disadvantage of drivetrain.
  • Smoother rotation
  • Better sealing performanceDurable enough for mountain bike usage
  • For English threaded bottom bracket
  • Approx Weight: 73g
  • Lightweight to offset weight disadvantage of drivetrain.
  • Smoother rotation
  • Better sealing performanceDurable enough for mountain bike usage
  • For English threaded bottom bracket
  • Approx Weight: 73g

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