This is the Ultegra 6800 version of the press fit Shimano bottom brackets and has the following details.
Shimano Ultegra / 105 SM-BB72-41B Press Fit BB86 Bottom Bracket / 86.5mm
Shimano SM-BB72 - 41B Press Fit Bottom bracket 41 mm diameter 86.5 mm
Shimano Road BB86 Press Fit Bottom Bracket 86.5mm
Shimano BB71 Road Press Fit Bottom Bracket - SM-BB71-41B - MRRP £24.99
Shimano XT/Ultegra M8100 12 Speed Hyperglide+ Chain 116 links with quick link
