Zefal's Disc Brake Cleaner is a degreaser that has been specially formulated for cleaning disc brakes. It's an excellent solvent against oil, grease, brake fluid, dried on dirt and braking residue. It has been specifically designed to rapidly dry ensuring it quickly and effectively cleans brakes by letting the solvent disolve the dirt. It improves disc brake performance and helps stop any grinding noises. The formula is safe with the majority of plastic, rubber, paint and varnish.