This Givi SR2138 Rear Carrier Yamaha X Max 400 2018 on models is designed to accept a variety of Givi plates enabling a corresponding Givi Monokey Top Case or a Givi Monolock Top Box to be fitted. For a Givi Monokey Top Case a Givi M5 Monokey Plate, a Givi M7 Monokey Plate, a Givi M9A Monokey Plate or a Givi M9B Monokey Plate are required and for a Givi Monolock Top Box either a Givi M5M Monolock Plate or a Givi M6M Monolock Plate are required. The instructions and all the necessary fittings are included. Please note that there is an advised maximum load of 6kgs. Please also note that if either the Givi M9A Aluminium Monokey Plate or the Givi M9B Black Aluminium Plate are fitted; neither the additional Givi stop light kit or the Givi Top Box remote control device can be fitted.