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NOTE
Additional SRAM Flattop compatible chainrings will become available throughout the summer. If you click on out of stock products you sign up to get an email notification when they are available.

Wolf Tooth was first to market with Cyclocross 1x specific chainrings because we saw Cyclocross as the perfect use for our Drop-Stop® technology. Since their release, the uses for these rings has expanded beyond Cyclocross to commuting, gravel riding, mountain bikes with 5-arm crank power meters, and even full on-road applications with the giant 50t rings. 

  • Fits 110 BCD 5 arm cranksets

  • Drop-Stop technology. On Wolf Tooth’s patented wide/narrow chainring, the wide side of the tooth has maximum contact on the drive side which spreads the load and improves chainring life. The narrow side allows clearance for mud and debris which reduces friction.

  • Alternating wide/narrow tooth pattern prevents chain derailment

Compatibility

  • These rings are for use with 110 BCD 5 arm cranksets.
  • Do NOT fit on the cranksets for Shimano DA 9000 / Ultegra 6800
  • Not compatible with Campy CX10/11.  
  • Can be mounted in either the big or small ring position of a double crankset given chainstay clearance in the small ring position.
  • Stock 2x bolts will not work.  You will need bolts like our 6mm bolts which are optimized for single ring mounting.
  • Chain Compatibility

    • 9, 10, 11, & 12spd Eagle - These chainrings are designed to work with all 9 speed, 10 speed, and 11 speed chains. They also work with 12 speed Eagle and 12 speed KMC chain. They do not work with Shimano 12 speed Hyperglide+ chain or SRAM 12 speed Flattop chain.
    • 10, 11, & 12spd Eagle and Flattop - These chainrings are designed to work with all 10 speed, and 11 speed chains. They also work with 12 speed SRAM Flattop, SRAM Eagle and KMC chain. They do not work with Shimano 12 speed Hyperglide+ chain.
    • Shimano 12-speed chains require the use of our Shimano 12-speed specific chainrings
    • If using a 9-speed drivetrain use a 10-speed chain. It fits tighter for better chain retention
  • Chainline - varies - these rings can be mounted in either the big or small ring position on a double cranksets.  The most common mounting is in the big ring position because of chainstay clearance.  The ring centerline is ~2mm from the ring's mounting face so they usually sit about 2mm closer to the frame than the stock big ring (depends on the stock ring)

    Recommendations

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

    Related Products

    Chainring bolts - stock 2x bolts will not work. 6mm bolts which are optimized for single ring mounting are needed

    Tanpan - allows Shimano mountain bike rear derailleurs to be used with Shimano road shifters

    RoadLink - allows for wide range cassettes to be used with Shimano road rear derailleurs

    Tech Specs

    Weight: 34t • 44g   36t • 58g  |  38t • 66g  |  40t • 74g  |  42t • 81g  |  44t • 90g  |  46t • 107g  |  48t • 115g  |  50t • 125g
    Material: 7075-T6 aluminum
    Made in the USA

      WARNING Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information go to www.P65Warnings.ca.gov.​


    Patent and trademark information