Hope Retainer Ring Hope Retainer Chainring has a narrow/wide tooth configuration designed for 1x10 and 1x11 set-ups without the need of a chain guide Key features Perfect set-up with single speed, 1x9, 1x10, 1x11 and 1x12 drivetrains CNC machined 7075-T6 aluminium provides the perfect blend of lightweight and strength Available in 104mm PCD, 4 bolt pattern Designed for single ring use- suitable for XC, Trail, AM and Enduro Designed to be used alongside Hope's range of chain guides Hard anodised finish makes them ultra durable and increases longevity