This is the Ultegra 6800 version of the press fit Shimano bottom brackets and has the following details.
Shimano Ultegra Level Press Fit Bottom Bracket BB7241 Road 41x86.5mm Bike BB
Shimano Ultegra / 105 SM-BB72-41B Press Fit BB86 Bottom Bracket / 86.5mm
Shimano Ultegra SM-BB71 Road Press Fit 86.5mm Bike Bottom Bracket BB
Shimano Ultegra SM-BB71 Road Press Fit BB 86.5mm Bike Bottom Bracket
