Designed for Race Face CINCH cranks with removable spiders. This chainring features the patent pending asymmetrical Drop-Stop tooth design for the best in wear life, mud clearance, and chain retention.Made from 7075 Aluminum for long lifeNot compatible with 9 speed chainsFeatures Wolf Tooth's Drop-Stop tooth design for maximum chain retentionOptimized for use with 10, 11, and 12 speed chainsChainline is 49mmItem SpecificationsMaterialAluminumOffset6Defined ColorBlackRing Position/TYPEChain Retaining Single RingDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds12Tooth Count30Direct Mount TypeDirect Mount CINCHRound or OvalRoundChainline/Hub Compatibility135/142 MTB HubsChainline/Hub Compatibility150/157 DH HubsChainline/Hub Compatibility157 Super Boost HubsChainline/Hub Compatibility170/177 HubsChainline/Hub Compatibility190/197 Hubs Wolf Tooth RaceFace / Easton CINCH Direct Mount Mountain Chainrings Direct Mount Chainrings UPC: 812719020916