Chris King ThreadFit T47 30i Bottom Bracket

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Chris King ThreadFit™ T47 Bottom Bracket is the solution to bottom bracket noise

. A silky smooth, long-lasting bottom bracket built around our angular contact bearings that wear in instead of out. ThreadFit™ T47 provides the security and reliability of a threaded bottom bracket with the stiffness and power transfer gains of a PressFit 30 bottom bracket shell.
The ThreadFit™ T47 is available in four variants and will fit 30mm, 24mm and 24mm stepped spindles.

ThreadFit™ T47 30i will fit 68mm, 73mm, 83mm, 86mm, and 92mm shell widths with 30mm spindles, or 68mm and 73mm shell widths with 24mm and 24mm stepped spindles.

  • 5-year built-to-last warranty
  • Legendary made-in-house bearings
  • Easily serviceable with our grease injection tool
  • Ceramic bearing upgrade available
  • Threaded security with PressFit 30 shell stiffness
  • Includes spindle sleeves for 30mm spindles.
  • Conversion kits available
  • Engineered, manufactured and assembled in Portland, Oregon USA
  • Available in Matte Jet and Matte Slate
  • Uses Chris King bottom bracket cup tool for installation 


  • 5
    Nice BB

    Posted by Dave T on 21st Oct 2019

    Installed well but initial "crank spin" was not as free as I expected. Two rides freed it up and super happy.