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Shimano
XTR BB93 Bottom Bracket

  (1 customer reviews)
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The XTR BB93 takes a cue from Shimano's top road bottom brackets, now featuring smaller diameter bearings to save weight. This new design drops 21g off its ancestor and features a new seal system which reduces friction by 50%.

The XTR BB93 Bottom Bracket is available with English threads and includes three 2.5mm spacers for use with 68mm and 73mm shells. Compatible with all HollowTech II cranks. 77 grams.

 

Weight: 77 grams

 

Weight: 77 grams

 

Bottom Bracket STD: English (BSA) 

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Super easy to install
rating
by slevasse
Cycling Enthusiast
Laconia, NH
1 of 1 customers found this review helpful.

I picked this up after my RaceFace bottom bracket decided to seize up mid ride. It's pretty lightweight and was very easy to install. Bearings feel very smooth and while I haven't really put it thru very much, it has stood up to some pretty nasty mud and muck with flying colors.

Reviewed 1/3/2015
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