MRP AMg CS Chainguide For Enduro and Trail Riding If you're looking to make your drivetrain bulletproof, then you'll want to invest in a good chainguide. The MRP AMg CS Chainguide is designed for enduro and trail riding. It utilizes a premium-finish steel backplate, durable nylon upper guide, and a patented integrated skid to eliminate dropper chains and bent chainrings. It is designed for 1x drivetrains, Boost compatible, works with ISCG-05 mounts, and is compatible with 28-34T chainrings. Features Premium-finish steel backplate provides stiffness and durability Co-molded TR upper guide provides for quiet operation Compatible with 28-34T chainrings Mounting type ISCG-05Designed for 1x drivetrains and is Boost compatible | Mrp | Amg Cs Chainguide Iscg-05 28-34T | Nylon