Cargo bike fat in a tube – 125 grams Ready-to-use bike fat in a tube. 125g fat from Exustar – ours and many other bike enthusiasts prefered fat. It is good quality and provides a good grease. It is really great in cold weather. If you buy a new bike, fat is one of the things that should always be on your shopping list. Fat is a natural product so if you have an old product that is more than two years, we highly recommend that you buy a new one.
