The Muc-Off Lube Hydrodynamic Classic? is specifically designed to handle the harsh weathers of the European Classics. Increased viscosity will allow you to cope with anything a gruelling ride could throw at your chain.  Muc-Off Lube Hydrodynamic Classic Features Provides the ultimate performance in the most brutal conditions Ultra efficient low friction Synthetic polymers for seriously long distance performance Incredible levels of durability Warning: Can cause serious eye irritation. Keep out of sight and reach of children