Wurth Brake and Chain Cleaner Wurth Brake and Chain Cleaner can be used on brake discs, drums and calipers to remove brake dust, oil and dirt. It fully evaporates quickly to leave a clean and dry surface.Wurth Brake and Chain cleaner is also an essential product to be used before lubricating the chain to prevent dirt from penetrating the links. It will leave a clean and dry surface ready to apply your chain lubricant. With regular use during chain maintenance, it will extend the service life of your chain.500ml Spray.