\n\t\t\tShimano BB-R9100 Dura-Ace HollowTech II Bottom Bracket - 68mm English Thread
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\n\t\t\t- \n\t\t\t\tShimano Dura Ace Hollow Tech II bottom bracket assembly
\n\t\t\t- \n\t\t\t\tMinimal bearing interface gives superbly smooth rotation
\n\t\t\t- \n\t\t\t\tDistinctive style that exudes quality and perfection
\n\t\t\t- \n\t\t\t\tUse TLFC34 or TLFC24 in conjunction with TLFC36 adaptor tool for installation and removal
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\n\t\tBottom bracket bearing set for the HollowTech II Dura Ace crankset which is the ultimate crankset for stiffness, whilst keeping weight low for performance riding and racing.
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\n\t\tShimano Dura Ace Hollow Tech II british threaded bottom bracket to fit a 68 bottom bracket shell width, for road use.
