MRP AMg SL Chainguide - 32-36t, ISCG-05, Aluminum BackplateThe MRP AMg SL chainguide eliminates dropped chains and bent chainrings. It combines a lightweight upper guide and a durable bashguard, mated to an aluminum backplate. Unlike the cheap, flexy, and rattle prone upper guides found on other products, the AMg features our premium, stiff, silent upper guide and a tough fiber infused bashguard. Aluminum back plate is strong and lightweight Works with 32 36t round rings (and 30 34t oval rings) 4mm of
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