Wolf Tooth Components GC40 40 tooth cog for SRAM 11-36 10-speed MTB cassette

Wolf Tooth Shimano GCs replace a cog on compatible SRAM 10-speed cassettes in order to provide extra low range for your 1x drivetrain. Wolf Tooth Components GC 40 tooth Cog. Remove the 14T cog on the XG-1080 instead of the 17T.

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