Hope Spiderless Retainer Chainring - 32t, Boost, Hope Direct Mount, For Shimano 12-Speed Drivetrain, 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. Product Specifics Tooth Count: 32 Drivetrain Speeds: 9 Drivetrain Speeds: 10 Drivetrain Speeds: 11 Drivetrain Speeds: 12 Round or Oval: Round Material: Aluminum Color: Black Defined Color: Black Direct Mount Type: Direct Mount