Universal high performance air filter with billet aluminum cap and cylindrical round profile, the best on the market for RACER use and Cafè Racer customizations, selected for you by caferace.it Dimensions: Ø: 49 mm Length: 64 mm Large external diameter : 76 mm Small external diameter: 76 mm Flange: 16 mm Click on the top window (instructions) to see the technical characteristics