.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; height: auto; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }Cinch Oval rings help you put down the watts in the best part of our pedal stroke, on your 10, 11 or 12 speed drivetrains. Ovals provide enhanced traction control when compared to conventional round rings, particularly in high torque, low cadence riding scenarios. We ve got your timing clocked to improve on that grueling climb. Or simply make your personal pedal-shuttle a little more bearable. And by simply flipping the ring, it becomes Super Boost compatible without losing the same excellent timing to help you maintain traction during the toughest part of your pushOptimized pedal stroke1x drivetrain variable width tooth profile stops dropped chainsSuper Boost compatibleWear resistant 7075 AluminiumItem SpecificationsChainline/Hub Compatibility135/142 MTB HubsChainline/Hub Compatibility141/148 Boost HubsChainline/Hub Compatibility150/157 DH HubsChainline/Hub Compatibility157 Super Boost HubsChainline/Hub Compatibility170/177 HubsChainline/Hub Compatibility190/197 HubsDefined ColorBlackDirect Mount TypeDirect Mount CINCHDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds12MaterialAluminumOffset3Ring Position/TypeChain Retaining Single RingRound or OvalOvalTooth Count28 RaceFace Narrow Wide Oval Direct Mount Chainring Direct Mount Chainrings UPC: 821973339351