Shimano Cs-S500 Sprocket 20T Alfine

For use on Shimano's internal gear Alfine hubs, the S500 cogs feature a special profile for enhanced chain retention.

FEATURES

  • Special single gear design with chain tensioner
  • Revised tooth profile to prevent chain skip

Shimano

Shimano Cs-S500 Sprocket 20T Alfine

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For use on Shimano's internal gear Alfine hubs, the S500 cogs feature a special profile for enhanced chain retention.

FEATURES

  • Special single gear design with chain tensioner
  • Revised tooth profile to prevent chain skip

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