Shimano BB-R9100 Dura Ace HollowTech II Bearing Cups British Thread 68mm Black

The Shimano BB-R9100 Dura Ace HollowTech II Bearing Cups are the bottom bracket bearings for the HollowTech II FCR9100 crankset, which is the ultimate crankset for stiffness whilst keeping weight low for performance riding and racing.Shimano BB-R9100 Dura Ace HollowTech II Bearing Cups FeaturesMinimal bearing interface gives superbly smooth rotationDistinctive style that exudes quality and perfectionRequired for installation of FCR9100 chainset, with a choice of English or Italian thread BB cupsUse TLFC34 or TLFC24 in conjunction with TLFC36 adaptor tool for installation and removalAxles Standard: 24mmBottom Bracket Type:BSA ThreadedColour: BlackDiscipline: Road