This is the mrp 2x chainguide 36 38 tooth double iscg 05 fitting with integral bashguard the 2x is designed to work seamlessly with the new wave of 2x10 drivetrains being specified on many new mountain bikes these new drivetrains created new challenges to chain management with their unique gear ratios chain lines and impact protection requirements the 2x solves all of these challenges to create the 2x guide mrp began the process of applying our range of technologies and systems to find