Wolf Tooth Components Direct Mount Chainring 40T - Compatible with Easton & Race Face Cinch Systems | Mountain Bike & Gravel Bike Upgrade for Enhanced Performance

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 cranksetsDrop-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 derailmentCompatibilityThese rings are for use with 110 BCD 5 arm cranksets.Do NOT fit on the cranksets for Shimano DA 9000 / Ultegra 6800Not 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. optimized for single-ring mounting.Chain Compatibility10, 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 chainringsIf using a 9-speed drivetrain use a 10-speed chain. It fits tighter for better chain retention