Disc Brake Cleaner - For dry degreasing of all metal parts Fenwicks Disc Brake Cleaner utilises a variety of solvents for an enhanced deep clean. It is formulated to improve brake performance and helps to prevent brake squeal caused by contamination and pad glazing. As a dry degreaser Fenwicks Disc Brake Cleaner is suitable for use on chains, gear mechs, cassettes, chainsets, rims and bearings, leaving perfectly clean, dry, contaminant-free surfaces. How to use Disc Brake Cleaner No need to wet bike beforehand even when dirt is dried on. Step 1: Initially spray from a distance of 20cm to wet down the surface to be cleaned - use short blasts. Step 2: Leave for 10 seconds. Step 3: Agitate dirt with brush or sponge. Step 4: After surfaces have been wetted, blast away contaminants by moving the aerosol closer and using prolonged bursts. Catch residue with an absorbent cloth. Handy hints If used as a chain degreaser re-lube using a highly rated Fenwicks chain lube.