Sicom ceramics work best for street , in all weather , that is why ceramic rotors are fitted to many super cars . The only real downside other than expense , would be more fragile compared to stainless steel .Hi. They may not work well on the street because they need a lot of heat. I bought Braking rotots all Ti bolts even Ti brake pistons 14 of them all in my Beranger brakes masters clutch & brakes I do use the stock rear master.