Hope Spiderless Retainer Chainring - 36t SRAM Direct Mount 3mm Offset R22 BLKHope Spiderless Retainer Chainring 36t SRAM Direct Mount 3mm Offset R22 Black. These 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