One dropped chain is one too many. Eliminate dropped chains forever, so you can ride without interruption. The MRP 1x SLR ISCG-05 chainguide incorporates a lightweight carbon fiber backplate and easy-to-use setup and adjustment features.Carbon fiber back plate is incredibly strong and lightweightWorks with 28-38t round rings (and 26-36t oval rings)7mm of chainline adjustment (without use of spacers) so adjustments can be made quicklyWorks with most chainlines (including non-boost, Boost, and Super Boost)Forefront 4-way, front-accessible setup and adjustmentPop-Up tool-free chain access for simplified installation and drivetrain maintenanceUpper guide features TPU co-molding to silence chain contactRequires ISCG-05 tabsItem SpecificationsChainguide Mount TypeISCG-05ColorBlackDefined ColorBlackMaterialCarbonMaterialCompositeMax Tooth (teeth)38Weight31 MRP 1x SLR Chainguide Chain Retention System UPC: 702430205832