Race Face SRAM Direct Mount Narrow-Wide Chainring - SRAM Direct Mount - 6mm Non Boost - Round - Black - 30TYour SRAM Direct Mount chainring starting to show signs of wear or "Shark tooth"?. The Race Face SRAM Direct Mount Narrow Wide Chainring is the perfect chainring to replace it with! The Race Race rings feature a narrow wide tooth profile and are constructed from 4mm thick 7075 T6 aluminium. Features: Proven narrow wide design. 7075 T6 aluminium. 4mm thickness to prevent flex. Works with 9, 10, and 11 speed chains and components. Available in the