Nanolex Rim Cleaner & Flash Rust Remover is a highly effective, extremely fast acting rim cleaner and flash rust remover. It is far less aggressive than traditional rim cleaners, but just as effective. Its powerful formulation dissolves all iron-containing dirt immediately upon contact. A color indicator that changes from clear to reddish shows when the dirt has been loosened and can be rinsed off. Nanolex rim cleaner & rust film remover significantly reduces the manual cleaning effort with brushes. Nanolex rim cleaner & rust film remover was developed, tested and produced in Germany.