MRP AMg SLR Chainguide – 28-32t ISCG-05 Carbon Backplate. The MRP AMg SLR chainguide eliminates dropped chains and bent chainrings. It combines a lightweight upper guide and a durable bashguard mated to a carbon fiber backplate. Unlike the cheap flexy and rattle-prone upper guides found on other products the AMg features a premium stiff silent upper guide and a tough fiber-infused bashguard.

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