Direct mount rings designed for use with SRAM cranks that utilize their 3-bolt mounting style. This premium 7075-T6 Aluminum Alloy chainring is equipped with the patent pending Drop-Stop asymmetrical tooth design for the best in wear life, mud clearance, and chain retention.6mm offset designed for use with cyclocross and road cranksets (47mm chainline) or GXP and long spindle BB30 cranksets (49mm chainline)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 chainringsIf using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retentionNot compatible with the SRAM 8-bolt interfaceMade from premium 7075-T6 aluminum for durability and weight savingsUse of a clutch-style rear derailleur is recommendedItem SpecificationsColorBlackDefined ColorBlackDirect Mount TypeDirect Mount SRAM 3-BoltDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds12Drivetrain Speeds9MaterialAluminumOffset6Round or OvalRoundTooth Count28 Wolf Tooth SRAM 3-Bolt Direct Mount Chainrings Direct Mount Chainrings UPC: 812719020695