I would be certain your chainstay has at the least a clear movie protector on it. On an alloy frame for instance yours It is additional of a aesthetics standpoint (alloy would not rust) on the metal bicycle paint chips can result in rust.Share "Some%20rare%20speed%20bumps%20are%20getting%20installed%20in%20Westwood%20and%20Athmar%20Park" on Whatsap