Shimano XTR SM-BB93 68/73mm External Bottom Bracket

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Legendary XTR performance!  The XTR BB93 is a lightweight BB that features premium bearings and seals to ensure you always have the best possible performance on hand.  Compatible with 68 and 73mm shells and 24mm spindles.  


  • Compatible with 68 or 73mm shells. Spacers included. 
  • Will work with 24mm spindles.  Not compatible with 83mm DH cranks. 



SKU 4524667997269
Brand Shimano