Check the listing for details. Wolf Tooth Direct Mount Chainring - 36t, SRAM Direct Mount, Drop-Stop B, For. Color: Black, Condition: New. Listed at 77.72 USD. 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.3mm offset is designed for boost cranksets (52mm chainline). 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 12-speed chains. 12-speed chains require the use of Wolf Tooth's 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 SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us