Specific rear rack for MONOKEY or MONOLOCK top-case to be combined with the MONOKEY M5, M7, M8B, M9A or M9B plates, or with the MONOLOCK M5M or M6M plates, or with the aluminium bag holder EX2M. If combined with M8B, M9A, M9B it does not allow the assembly of the stop light kit or the remote control device on the top-case. A larger grab rail for the passenger is included therefore it is necessary to remove the original grab rails. Is compatible with the original side-case holder