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 DRY conditions:Cleans and lubricates as you ride, repels dust, dirt and moisture.Superior penetration, ensuring all parts of the chain are lubricated.Cleaner than conventional lubes and with no greasy build up.Leaves a white and clean chain.