Most likely almost everyone knows WD-40 . And if you did not hear about it, you have seen one of those little blue-yellow cans with the utmost probability, because many toolboxes, housholds and storerooms contain this brilliant substance. For 60 years now WD-40 eliminates squeaking, extricates stuck bolts and screws, helps you removing and assembling grips on your handlebar and lubricate your braking cables. The designation WD-40 stands for: Water displacement, discovered after the 40th attempt.