Universal high performance air filter with D-shaped billet aluminum hood and special oval profile, the best on the market for RACER use and Cafè Racer customizations, selected for you by caferace.it Dimensions: Ø: 50 mm Length: 58 mm Large external diameter: 100X75 mm Small external diameter: 67X52 mm Flange: 16 mm Click on the top window (instructions) to see the technical characteristics