\n\t\t\tShimano Tiagra BB-RS501 Bottom Bracket, English Threaded Cups
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\n\t\t\t- \n\t\t\t\tOutboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsets
\n\t\t\t- \n\t\t\t\tMinimal bearing interface gives superbly smooth rolling
\n\t\t\t- \n\t\t\t\tEasy installation
\n\t\t\t- \n\t\t\t\tBritish thread (1.37X24)
\n\t\t\t- \n\t\t\t\t68mm shell width
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\n\t\tThe
Shimano Tiagra BB-RS501 Bottom Bracket uses a new seal construction for long-lasting performance.
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\n\t\tThe BB-RS501 Tiagra level bottom bracket is suitable for use with Shimano Hollowtech II chainsets with a 24mm spindle. The bottom bracket is compatible with English threaded road frames with a shell width of 68mm.
