Specific product for road bike chains. The special formula for hydrocarbons and synthetic oils causes a thin but resistant film with a high lubricating power, which penetrates the mechanical parts such as the chain, deraillers, free wheels etc … dissolves the deposits and residues that remain on the chain. It is also an excellent anti -corrosion barrier and aging. Use it at each exit and the chain will flow much better and last much longer. Shake the can well and spray about 10 cm. Before lubrication, clean the chain well with a barbieri washerworks.