If the chain on your BMX bike is loose, you can quickly tighten it with a few simple steps. Your BMX chain should never be too loose, because it could slip off the chainring while riding. This carries a very high risk of injury! We explain all the necessary steps in our new BMX WorkShop video. Here we explain how you can tighten your BMX chain again. Of course, you can also use this tutorial (how-to, explanatory video) as a guide for other single-speed bikes.
