Shimano XTR SM-BB93 Bottom Bracket Black BB93
USD $30.79
Condition : New
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The Shimano XTR SM-BB93B bottom bracket features a 25 gram weight reduction over the M980 plus a new black-anodized finish. To achieve this considerable weight loss the external cup size is noticeably smaller thanks to smaller bearings and a reduced external diameter.
Other than the smaller cup and bearing size, the system is still Shimano's well proven Hollow Tech II design with a 24mm internal diameter and the benefits of a wider bearing platform, easy installation and serviceability. Improvements don't stop at weight reduction. New bearings and seals allow a claimed 50% reduction in friction so your cranks will spin more freely plus there is no pressing need to jump to ceramics.
As side note - your standard outboard bottom bracket tool won't fit directly due to the smaller external diameter.
Features- 64 grams actual weight with sleeve
- BSC (English) threading
- Works with 68 or 73mm shells (includes spacers for 68mm)
- Hollowtech II mountain crank compatible
Shipping Policy:
From United States TX Warehouse
- Free Shipping Delivery (USPS): 2-4 Working Days.
Return Policy:
-Item for exchange or refund can be returned within 60 days
-For any exchange or refund, the item must be in its original condition.
-Please contact us first for refund or exchange the item.
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