Hope Spiderless Retainer Chainring - 36t, Hope Direct Mount, R22, BlackHope Spiderless Direct Mount Retainer chainrings are specifically designed for use with Hope cranksets and have a narrow wide tooth configuration designed for 1x10, 1x11 and 1x12 speed setups without the need of a chain guide. Designed to be compatible with 9, 10, 11 and 12 Speed drivetrains, including SRAM T Type and Shimano HG+ Improved mud shedding capability and chain retention Better performance with extreme chain angles on modern 1x drivetrains