Mechanics used to cringe when a customer proudly claimed they'd been using WD 40 to lube their bicycle. While WD 40 is a great cleaner and penetrator, with 'thirty eight' other uses, but it wasn't intended for the rigors of a bicycle drivetrain. That's changing, however, as WD 40 Bike is introducing a line of cycling specific products like this Heavy Duty Degreaser. When it's time to clean the trusty commuter's built up grime, WD 40's Heavy Duty Degreaser's thick, biodegradable formula clings to the gunk while it breaks it down for easy and effective cleaning. Its formula is safe for rubber seals found on hubs, headsets, bottom brackets, and suspension components. Just as important, it is safe for use on carbon fiber, titanium, steel, and aluminum. So you can be assured that your expensive investment will not be negatively affected by routine maintenance. The WD 40 Bike Heavy Duty Degreaser is available in a 20oz container.