The XCG Series of guards are designed to protect chainrings and cranks from damage due to the occasional rock or log encounter. They consist of a replaceable polycarbonate Skid direct-mounted to a 4mm thick alloy back plate.Protects up to 40t chainringsCompatible with Shimano 10spd. double and SRAM 2x10 cranksFor frames with ISCG tabs (also referred to as ISCG-old and ISCG03) or frames without ISCG or ISCG-05 tabs using SRAM 2x10 cranks via included adaptor (Requires external bearing style bottom bracket or E-type compatible cartridge bottom bracket)Not for SRAM X9/X0/XX 2xMounts between the bottom bracket cup and the frameProtects standard MTB triple Cranks up to 40tUpper boomerang "fin" to keep chain from falling to the inside of the frameFrame mounted bashguardTransmits impact to the frame instead of crankarm spider5mm thick CNC-machined alloy boomerangReplaceable polycarbonate skid plateA great accessory for the fast and technically aggressive XC rider or for any rider looking to protect their investmentItem SpecificationsColorBlackMaterialPolycarbonateChainring BCDN/AmmMax Tooth40teeth