Evotech Performance Ducati Streetfighter V4 SP Radiator Guard Set (2022 2024) Civivi Brazen Damascus Steel Knife Woodsman Wares. Evotech Performance radiator guards attach to your bike using a combination of a friction fit and a rubber bung support system. No modifications are required to your motorcycle. Hexagonal hole pattern to optimise airflow whilst providing maximum protection from road debris. CNC machined from aircraft quality aluminium. Powder coated black for longevity. All required fittings are supplied with the kit. Easy to follow pictorial instructions are available for download.