Wolf Tooth Direct Mount Chainring - 42t 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. Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains Compatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chains Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention Not compatible with the SRAM 8-bolt interface Made from premium 7075-T6 aluminum for durability and weight savings Use of a clutch-style rear derailleur is recommended Compatible with 12-speed SRAM Flattop chain Not compatible with 12-speed Shimano Hyperglide + chains
