The Bike Cleaner Concentrate is safe to use on your bike’s frame, forks, headsets, shock units, bars, grips, seats, pivot points, rims, wheels, spokes, hubs, disc brakes, suspension parts, gears/sprockets, aluminium, anodised metal, paintwork, chrome, carbon fibre, steel, plastics, composites, decals and rubber. If you are using Bike Cleaner Concentrate as a degreaser, simply apply directly to drive chain area directly from the pouch. Leave for approximately 30 seconds before agitating area with a brush and then rinsing with fresh water.