60MM Cone Filter Rubber Top RO-6000-130 .
These airfilters from DNA are at least as good as K&N! The tests proof it!
In short... If you want to race even faster from cafe to cafe on your cafe racer, you should buy these filters!
Price is per filter.
The filter is washable. Re-oil it and you're on your way again.
The oil ensures that you can keep riding in the rain.