Shimano Tiagra Bottom Bracket BB-RS501

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Article code BB-RS500
BB-RS501, for all Hollowtech road cranks
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This BB is for threaded shell frames, and will fit all 2-piece 24mm-axle cranksets, from Shimano and other manufacturers.

  • 68mm BSC, compatible with Shimano 24mm road cranks
  • Hollowtech II
  • 92g.
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