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  • F1 Ceramic Threaded Bottom Bracket for Shimano 10/11 MTB - BSA
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F1 Ceramic English (73mm) Bottom Bracket for Shimano 10/11 MTB - BSA


Product Description

F1 Ceramic bottom brackets are designed and built to be serviceable, durable and silent. The quality starts with our bearings. Made in the USA since 2003, using premium components, and built to order. Each part of the bearing is individually graded before building your bearing. This combination of quality, strength and reliability gives us the confidence to offer you a 7 year warranty. 


  • F1 Ceramic Bearings
  • Grade 3 Ceramic Balls / ABEC 5
  • Built with F1 Rocket Sauce.  COATED upgrade available.  Click here to learn more.
  • Only 89g!
  • English 73mm (BSA) Threaded
  • For Shimano MTB Cranksets, supplied with one (1) 2.5mm spacer.
  • Drastically Reduced Resistance in your Bottom Bracket!
  • More durable and longer lasting than traditional stock bearings
  • This is one upgrade you can FEEL!!
  • Compatible with Shimano 10 and 11 Speed MTB Cranksets (also known as Hollowtech 2)
  • 7 Year warranty


Product Reviews

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  1. smooth 4 Star Review

    Posted by on May 18th 2017

    definitely was nervous about spending this much $$$$ on a mtb bb. but its worked well for over 2 years with some maintenance.

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