ThreadFit T47 24x Bottom Bracket Fit Kit 4 – T47 For Shimano Hollowtech II BLK

Chris King ThreadFit T47 24x Bottom Bracket with Fit Kit 4 - T47 For Shimano Hollowtech II Black. The Chris King ThreadFit T47 24x Bottom Bracket provides the security and reliability of a threaded bottom bracket with the stiffness and power transfer gains