The MRP 1x V3 CS is a durable and lightweight chainguide that features a dual-material "TR" upper guide with a soft material on the interior walls for quiet performance.28-36t rangeIdeal for 1x10, 1x11, and 1x12 drivetrainsTracked and grooved upper guide and backplate interface increases stiffness and eases installationCompatible with chainlines 49mm and widerComposite backplateItem SpecificationsChainguide Mount TypeE2 Type MountColorBlackMax Tooth (teeth)36 MRP 1x V3 CS Chainguide Chain Retention System UPC: 702430174350