Universal high-performance air filter with billet aluminum cap and oval profile, the best on the market for RACER use and Cafè Racer customizations, selected for you by caferace.it Dimensions: Ø: 44 mm Length: 68 mm Large external diameter: 100X75 mm Small external diameter: 75X50 mm Flange: 16 mm Click on the top window (instructions) to see the technical characteristics