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These chainrings are for Shimano GRX cranks. They feature our patented Drop-Stop® design for the best wear life, chain retention, and mud clearance. The newly updated tooth profile works with SRAM Flattop chain in addition to other 9, 10, 11, and 12-spd chains (except Shimano HG+ 12-speed chain).

Compatibility

  • Shimano GRX cranksets including RX600 and RX810
  • Drop-Stop B tooth profile is compatible with SRAM Flattop chain 
  • Wolf Tooth’s patented Drop-Stop wide/narrow tooth profile provides the ultimate chain retention and mud-shedding ability
  • Use Drop-Stop B for all 9, 10, and 11spd chains or 12spd SRAM Eagle, SRAM Flattop, Campagnolo, KMC, Connex or Wippermann chains

     

    Recommendations

    • If you plan to ride in very muddy conditions, we recommend a chain guide or chain keeper in addition to a clutch-type rear derailleur. Without these precautions, you may experience chain drops and/or chain suck.

        

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      Tech Specs

        Weight:  36t • 65.5g  |  38t • 72g  |  40t • 84g  |  42t • 89g  |  44t • 92g  |  46t • 102g  
        Material: 7075-T6 aluminum
        Chainline: 50mm (same as Shimano GRX chainrings)
        Made in the USA
          Patent and trademark information
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