Browsing Cassettes, Freewheels, Cogs from Kore

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Cogs & Singlespeed Conversions
Kore Mega Cog
  • 7075 aluminum extended range cog for running 1x10 with a full range of gears
  • Fits Shimano XT/XTR 11-36t (M771/M980) or SRAM X5/X7/X9/X0 11-36t 10sp cassettes (not compatible with 2011 and older SRAM derailleurs)
  • Requires removal of the 17T or 15T cog
  • Longer B-screw and spacer included. May require a longer 10sp chain
 
item # teeth color version weight in stock?
DetailsKR-7561 40t black SRAM 72g YES
DetailsKR-7571 42t black SRAM 81g YES
DetailsKR-7581 40t black Shimano 72g YES
DetailsKR-7591 42t black Shimano 81g YES