T47 is the latest evolution in Bottom Bracket shell design. CeramicSpeed T47 Shimano Coated Bottom Bracket finished in Black utilizes the benefits of an oversized threaded shell whilst allowing the fitting of standard 24mm cranks from Shimano. FSA and Rotor. T47 is a newer bottom bracket shell design, utilizing the oversized interface of PF30 and EVO386, but with the benefit and peace of mind of a threaded interface. This bottom bracket allows you to install Shimano and other 24mm diameter thru-axle cranks into a T47 shell. It's compatible with 86mm wide frames, and also compatible with TREK T47 85.5mm wide frames. Coated Bearings have those same balls installed on coated, hardened-steel races for longer life and less bearing drag. In The Box 2 threaded cups with CeramicSpeed Bearings installed.. 2 dust covers.. Spacer tube.. All Round Grease. Sticker Sheet..