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Need just a little bit lower gear for those big climbs? The Wolf Tooth GCX 44T sprocket replaces the stock 42T on your XX1 or X01 cassette while adding some color if you prefer! This is roughly equivalent to changing your current front chainring to a 2T smaller chainring. Shifting performance and durability matches the stock 42T cog but you will have a 5% lower gear. Installation only takes 5-10 minutes. Looking for an even lower gear? Check out our GCX 46.



  • Only compatible with X01 and XX1 cassettes, XG1195 or XG1199
  • NOT compatible with any other cassettes

Complementing products:

Tech Specs:

  • Detailed step-by-step instructions are available here.
  • Only mount to X01 and XX1 cassettes, XG1195 or XG1199
  • Design and manufactured in Minneapolis USA
  • Material 7075-T6 Aluminum
  • Colors - Black, Blue, Red, Green, Silver, Purple, Orange
    • Weight - 84g