Completely silent and efficient, this MRP SXg SL2 lower guide for use with Norco Range 2021+ is easily setup for zero rubbing and, with no moving parts, introduce zero drag into your drivetrain.ONLY compatible with Norco Range (2021+)Works with 32-36t round rings (and 30-34t oval rings)Provides bash protection and chain securityLower guide features TPU co-molding to silence chain contactItem SpecificationsChainguide Mount TypeISCG-05ColorBlackDefined ColorBlackMaterialAluminumMaterialCompositeMax Tooth (teeth)36Weight99 MRP SXg SL2 Lower Chainguide Chain Retention System UPC: 702430022156