Aprilia Quick Release Keyless Billet Gas Fuel Petrol Cap Lid RSV1000 RSV4 Tuono Made from Billet Aluminum (6061 T6) Because of the increased percentage of Ethanol in todays fuel, we recommend greasing the gas cap gasket with Silicon Based Grease before installation Manufactured using 100% CNC Machining / Anodized Coating Push Button & Quarter Turn Lid Design for Easy Removal Comes with: (1) Fuel Cap Base (1) Fuel Cap Lid (3) Stainless Steel Bolts