These Wolf Tooth direct mount rings are designed for SRAM cranks with 8-bolt mounting. This chainring is equipped with the patent pending Drop-Stop asymmetrical tooth design for the best in wear life, mud clearance, and chain retention.Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrainsCompatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chainsShimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainringsCompatible with SRAM AXS cranksets and other cranks that use the 8-bolt mountingIncludes set of 8 custom T20 stainless steel boltsMade from 7075-T6 aluminum for long lifeItem SpecificationsColorBlackDefined ColorBlackDirect Mount TypeDirect Mount SRAM 8-BoltDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds12Drivetrain Speeds9keyword searchSRAM T-Typekeyword searchSRAM TransmissionMaterialAluminumOffset6Round or OvalRoundTooth Count40 Wolf Tooth SRAM 8-Bolt Direct Mount Chainrings Direct Mount Chainrings UPC: 810006802887