Joe's No Flats: High Efficiency with PTFEPTFE based lubricant, specifically developed and engineered for long distance bicycle rides in dry / wet conditions.Coats the chain with a thin layer of PTFE.Ensures extremely smooth and quiet gear shifting.Designed for use on bicycle chains, derailleurs, cables and chain wheels.For WET conditions:Good adhesion to metal with high water resistance long lasting in extreme conditions.Superior penetration, ensuring that all parts of the chain are lubricated.Extremely resistant to water, mud and dirt.