This particular chainring will ONLY work with CN-M9100, 8100 & 7100 12spd Hyperglide+ chain due to different thickness & shape of the teeth. Our Premium 1X Oval 96BCD traction chainring is designed for Shimano XT M8000, SLX M7000 and MT700 1x or 2x cranks Only. These chainrings fit Boost and non-boost bikes as correct offset is realized by the crank spider itself, not chainring.Key Features:All 4 sizes have built-in standoffs to provide the ideal 1X chainline. ,Bolts included..Size (Weight):30T (44g),32T (50g),34T (60g),36T (69g).Compatibility: Fits Shimano XT M8000, SLX M7000 and MT700 cranksets 1X and 2X only. Boost and non-boost. ONLY Shimano 12spd HG+ chainMaterials: CNC machined 7075 Txxx Aluminum. Long-lasting constructionChainline: Perfect 49mmMounting: 96 BCDOvality: Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent PendingAdvantages of our special Oval chainrings:Finest design to provide excellent weight to strength ratio,One 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 dramatically ,Designed to handle mud and grass with easy,Superb 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..