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E*Thirteen Extended Range Cog 40t Shimano 34t Compatible, Red

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E*thirteen Extended Range Cog.
  • Extended range aluminum 40t or 42t cogs to fit either Shimano/SRAM 10-speed cassettes
  • 42t is compatible with 36t max cassettes while 40t is compatible with 34t max cassettes
  • Remove the existing 17t and add the Extended Range cog without any additional spacers to create an 11-40t, or 11-42 10-speed cassette option
  • Cogs come with a longer replacement B-limit screw, to avoid running the derailleur with the stock screw maxed out
  • Intended for use with single chainring drivetrains. Chainwrap capacity will be an issue for those wanting to use double cranksets

This product was added to our catalog on September 29, 2019