Hope Spiderless Retainer Chainring - 34t Boost Hope Direct Mount R22 BlackHope Spiderless Retainer Chainring 34t Boost Hope Direct Mount R22 Black. Hope 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. TECH SPECS Ring Position Type Chain Retaining Single RingTooth Count 34Drivetrain Speeds 9Drivetrain Speeds 10Drivetrain Speeds 11Drivetrain Speeds 12Round