Bikelub: Spray Lubricant with PTFE for racing and mountain bike chains. It keeps the chain clean and well-lubricated for many km, for the product does not attract dust or dirt. The special formula with PTFE improves its lubricating power even under stress. It reduces friction and wear coefficients of the chain. It can be used on any kind of chain. Solvent-free, therefore does not corrode rubber or painted parts. Shake the can and spray the contents between the internal and external plates of the chain, allowing the product to penetrate for a few seconds.