Hope Spiderless Retainer Chainring - 28t, SRAM Direct Mount, 3mm Offset, R22, BlackThese Hope Spiderless Direct Mount Retainer chainrings are specifically designed for use with SRAM 3 bolt direct mount cranksets. The chainrings feature a narrow wide tooth configuration and are designed for 1x10, 1x11 and 1x12 speed setups, including SRAM Type, without the need of a chain guide. Designed for SRAM direct mount cranks, these chainrings are compatible with 9, 10, 11 and 12 Speed drivetrains, including SRAM T Type Improved mud shedding