Wolf Tooth Components Drop Stop Direct Mount Boost Chainring for RaceFace - The Lost Co. - Wolf Tooth Components - RFC28-BST - 812719025478 - 28t -

Wolf Tooth Components Drop Stop Direct Mount Boost Chainring for Race Face


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These chainrings are for Race Face Cinch cranks such as Turbine, Next SL, Sixc & Aeffect. The Wolf Tooth Cinch rings feature a our patented Drop-Stop® design for the best wear life, chain retention and mud clearance. We have both Boost and standard chainrings.


  • Any Race Face Cinch(TM) system crankset.

  • Boost (148mm hub spacing) offsets available. 

  • For 1x9, 1x10, 1x11 and 1x12 drivetrains (including SRAM Eagle)

    • Compatible with all 10, 11, and 12 speed chains (Including SRAM Eagle)

    • If using a 9 speed drivetrain use a 10 speed chain (shifts and works well on a 9 speed drivetrain and fits the ring tighter for better chain retention).

Tech Specs:

  • Design and manufactured in the Minneapolis, MN USA

  • Wolf Tooth’s patented Drop-Stop® wide/narrow tooth profile for the ultimate chain retention and mud shedding ability

    • Recommend the use of a clutch style rear derailleur for the best chain security.

  • Material 7075-T6

  • Color - black

  • Chainline - Boost Offset 52mm

  • If you plan to ride in very muddy conditions, we recommend a chainguide or chainkeeper in addition to a clutch-type rear derailleur! Without these precautions, you may experience chaindrops and/or chainsuck. 

  • Weight - 26t - 48g, 28t - 54g, 30t - 58g, 32t - 63g, 34t - 69g, 36t - 75g