Don't lose the race to a dropped chain! The MRP GCX chainguide is perfect for gravel and cyclocross riders and racers wanting a bulletproof, single-ring front drivetrain. Newly redesigned to be lighter, quieter, and maintenance-friendly.Requires braze-on FD mountWorks with 38-46t round rings (and 36-44t oval rings)7mm of chainline adjustment so adjustments can be made quicklyPop-Up tool-free chain access for simplified installation and drivetrain maintenanceUpper guide features TPU co-molding to silence chain contactItem SpecificationsChainguide Mount TypeBraze-onColorBlackDefined ColorBlackMaterialAluminumMaterialCompositeMax Tooth (teeth)46Weight29 MRP GCX Chainguide Chain Retention System UPC: 702430205788