MRP SXg SL Chain Guide - 30-34T, ISCG-05, BlackSXg SL Alloy Chain Guide Product Details: Alloy backplate Co molded "HD2" upper guide with softer durometer interior for silent guidance Compatible with 1x7, 1x9, 1x10, and 1x11 drivetrains Compatible with chain lines 49mm and wider, including Boost 148 Installs and adjusts with a single 4mm hex Integrated skid protects chainrings and glides over rocks and obstacles Lower guide features Whippersnapper technology for retention without moving parts or
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