oval xtr m9100 direct mount chainring

The Original one and only absoluteBLACKPremium Shimano 12spd Hyperglide+ compatible Direct mount 1X Oval chainringsare designed for XTR M9100, XT M8100, SLX M7100 & Deore M6100 cranks. Super smooth pedaling experience. This chainring is specifically designed to work with CN-M9100, 8100, 7100 & 6100 Shimano 12spd Hyperglide+ chain due to different thickness of the teeth.It is the most Premium oval chainring on the market with scientifically proven performance gains.Features:Size (Mass +/-1g): 28T (49g), 30T (54g), 32T (60g), 34T (65g), 36T (69g)Color Black, Grey, Red, GoldCompatibility? Fits to Shimano XTR M9100 , M9120, M9125, M9130, XT M8100, M8120, M8130 , SLX M7100, M7120, M7130, Deore M6100, M6120, M6130 & FC-MT900 cranksets. Works ONLY with CN-M9100, 8100, 7100 & 6100 Shimano 12spd Hyperglide+ chain.Material cnc machined 7075 Txxx Aluminum. Long-lasting construction! Type II anodizingChainline Dependent on the crank model. Every crank model has different axle length, but same chainrings.Ovality Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending