The ThreadFit T47 30x Bottom Bracket provides the security and reliability of a threaded bottom bracket with the stiffness and power transfer gains of a PressFit 30 bottom bracket shell. Engineered, manufactured and assembled in Portland, Oregon USAChris King Fit Kit required for use (sold separately)ThreadFit T47 30x fits 68mm and 73mm shell widths with 30mm spindlesLegendary King made-in-house angular-contact bearingsFully serviceable and backed by the King Lifetime Warranty this bottom bracket will outlast your bikeEasily serviceable with a grease injection toolItem SpecificationsBB Shell Width (mm)68BB Shell Width (mm)73BB/Frame InterfaceT47Bottom Bracket Shell I.D.47Defined ColorGold Chris King ThreadFit T47 30x Bottom Bracket Bottom Brackets UPC: 841529277784