Finish Line Bicycle Disc Brake Cleaner 10oz Aerosol. Designed to leave zero residue after application Finish Lines Bicycle Disc Brake Cleaner displaces any moisture built up on the pad or rotor resulting in improved and predictable braking and reduced brake squeal. With the unique characteristic of being acetone free Finish Lines Bicycle Disc Brake Cleaner is strong enough to clean the dirtiest rotors yet safe enough to use around paint carbon fiber and plastic parts.