āļĄāļēāđāļāļāļĢāļļāđāļ RS500
SHIMANO TIAGRA Threaded Bottom Bracket 68/70 mm shell width
BB-RS501
SHIMANO TIAGRA - Bottom Bracket - Threaded - HOLLOWTECH II - 68/70 mm shell width
The SHIMANO TIAGRA bottom bracket uses a new seal construction for long-lasting performance.
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