Specific rear rack for MONOLOCK or MONOKEY top-case to be combined with the M5, M8A, M8B, M9A or M9B MONOKEY plate, or with the M5M or M6M MONOLOCK plate, or with the aluminium bag holder EX2M / if combined with M8A, M8B, M9A, M9B it does not allow the assembly of the stop light kit or the remote control device on the top-case / it can only be mounted to the original plastic rack