Specific top case carrier for MONOLOCK® cases. Please use the MONOLOCK® plate supplied with the case. Maximum load for MONOLOCK cases 3 kg. ATTENTION: The Sym HD300 (2019) was made with two different carriers. Please check the photos on the website to see if they are suitable for SR7057 or SR7059. Important note GIVI products are designed for vehicles in their original condition. Compatibility with accessories from other manufacturers, such as exhaust systems, etc., cannot be guaranteed. Matching Manufacturer Model Model year Sym HD 300 2019