The Silca Super Secret Chain Lube 120ml (4oz) will make your drivetrain incredibly quiet and incredibly efficient. Proven in extensive friction testing, the key ingredient is nano-scale Tungsten Disulfide and it's combined with four waxes and mild alcohol, resulting in an easy-to-apply drip wax that provides you with all the benefits of hot-melt waxing, without the hassle. The lube is environmentally-friendly and should be applied to a very clean chain for best results.