The refreshed G5 is the latest iteration of MRP's renowned, championship-winning "G" guides.Upgrades to the G5 include the new "HD2" co-molded upper guide that utilizes a softer durometer TPU material on the interior walls and ceiling to silence drivetrain chatter.á Carbon backplateá Tracked and grooved upper guide/backplate interface increases stiffness and eases installationá New co-molded "HD2" upper guide with softer durometer interior for silent guidanceá Integrated skid protects chainrings and glides over rocks and obstaclesá Includes standard pulley and G-slide slider block for quiet, dependable operation in muddy and dank conditions.á Oval compatibleá Mounting hardware included and install possible with just a single 4mm HEX wrench.á Swingset¢ hardware.á Compatible with chain lines 50mm and widerá ISCG and ISCG-05 options.