\n\t\t\tShimano SM-BB71-41b Road Press Fit Bottom Bracket 41x86.5mm
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\n\t\t\t- \n\t\t\t\tSet includes left and right hand cups, inner cover, and inner O-rings
\n\t\t\t- \n\t\t\t\tSealed cups keep out dirt and water
\n\t\t\t- \n\t\t\t\tMaintenance free
\n\t\t\t- \n\t\t\t\tCompatible with 86.5 mm shells
\n\t\t\t- \n\t\t\t\t41 mm cup diameter
\n\t\t\t- \n\t\t\t\tEasy press-fit installation
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\n\t\tComplete Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II road cranks. With reliable Shimano bearings and seals, the
Shimano SM-BB71-41b bottom bracket has a long service life.
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\n\t\tThe cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage.
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\n\t\tThe bottom bracket is compatible with press fit road frames that have a shell width of 86.5mm and a shell diameter of 41mm, this is referred to as the BB86 bottom bracket standard.
