Radiator Guard and Oil Cooler Guard Kit for Ducati Multistrada V4/ V4S/ V4 Sport’21. His R&G Radiator Guard is available in Black, Titanium or Red. Why R&G Radiator Guards (Aluminium) are a must have for your motorbike. R&G Radiator Guards are constructed from robust aluminium mesh and frame that doesn’t restrict the flow of cooling air but adds a secondary layer of protection, preventing debris icked up by other road users (or even your own front wheel) from causing damage to the expensive cooling. Available in a large range of fitments and colour options.