Crupi Aluminum Casstte Cogs

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Crupi cogs are Shimano compatible and designed to be reversed with 1mm of spacing on 1 side and 2.2mm of spacing on the other side providing you with the best chain alignment possible.

  • Available in 6061 T-6 CNC Machined aluminum and 4130 Chromoly
  • Weight of 16t Aluminum cog = 0.49oz