Hope Spiderless Retainer Chainrings - Direct Mount, R22Hope 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. Tooth Count 28, 30, 32, 34, 36 Drivetrain Speeds 12 Round or Oval Round Material Aluminum Color Black, Orange, Silver Defined Color Black Direct Mount Type Direct Mount Hope Model R22 Spiderless Retainer Ring Ring Type Single