Givi has patented the two most famous locking systems in the world; the Monokey and Monolock systems. Motorcycle specific Monorack arms and fitting kit. The Monokey series is Givi's the top of the range locking system which are typically has a more substantial mount with more features and higher quality construction.
This luggage rack is poorly engineered. The rear curve on left rear arm where it has bracket for top plate is !cm higher than the right arm. When top box is fitted it leans excessively to the right! I contacted supplier but only received a response a few days later. Too late for my needs as I was committed to a planned trip. I have hadto bend arms to level box rendering me unable to return now,