WOLF TOOTH Direct Mount Chainring - 28t SRAM Direct Mount Drop-Stop For SRAM 3-Bolt Cranksets 6mm Offset BlackDirect mount rings designed for SRAM cranks with removable spiders. This 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 drivetrains Compatible with