MRP SXg SL 2-Bolt Extra Retention For Aggressive Riding Mountain biking can be rough on your bike. Having things like a chain guide with a skid plate will help prevent any damage to your bike while you're riding. The MRP SXg SL 2-Bolt features upper and lower chain retention, as well as burly bash protection. It is completely silent and efficient and has zero drag on your drivetrain. It has fiber-infused bash protection that lets you charge through rock gardens without a care in the world. This version of the SXg is designed for the 2021 to present Norco Range with 32 to 36T chainrings. Features Designed for the 2021 to present Norco Range with 32 to 36T chainrings Compatible with chain lines 49mm and wider, including Boost 148Compatible with 1x7, 1x9, 1x10, 1x11, and 1x12 drivetrains Fiber-infused skid attached directly to the integrated lower guide | Mrp | Sxg Sl 2 Bolt Norco Range 32-36T 2021-Present