Extensively used around the world by thousands of road riders, track day enthusiasts, the California Superbike School (USA) and the Chris Walker Race School (UK). R&G's entire range of Engine Case Covers (ECCs) and Engine Case Cover Kits (KECs) have been approved by the British Superbike Championship (BSB) and the MotoAmerica Series for use in any competition sanctioned by these Organisations Fits: Aprilia RSV4R APRC 2014