Shimano Nexus 23t Cog

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sku: GM091720-75

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Shimano Nexus 23t Cog


  • Fits coaster brake and Internally geared hubs with 3-tab spline pattern drivers
  • Shimano Nexus and Alfine cogs will work with either 1/8" or 3/32" chains
  • Cog Snap Ring: Used to attach driver cog to internally geared Shimano Nexus & Alfine hubs