From Absolute Black. A premium 1X Race Face direct mount compatible Oval chainring.Designed for CINCH systems, Race Face use to mount chainrings directly to the crank. If you have 4 arm RaceFace crank, look at the 104bcd Oval ring.Compatibility: RaceFace Cinch system cranks.RF Next SL, RF SIXC, RF Turbine, RF Atlas, AEFFECT CINCH cranks. 9, 10, 11 and 12spd Eagle compatible.Chainline: Perfect 49mm. 6mm offsetMounting: Direct MountOvality: Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending.Advantages of an Absolute Black Oval chainring:Finest design to provide excellent weight to strength ratioOne of a kind special oval shape (Patent Pending)Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!Special 3D teeth machining for ultimate mud relief decrease wear and noise dramaticallyDesigned to handle mud and grass with easySuperb quality and great look.You will ride faster using ovals. If you keep using round ring then others will get quicker.Reduces stress on knees and helps to maintain your legs fresher for longer.You will not feel\" the oval shape at all.\"