The cube water bottle proudly displaying a top branded name the cube water bottle is here in two stylish colours whether you39re looking for a 500ml bottle or a 750ml bottle the cube bike water bottle is available in both size options and is built to last this water bottle features a classic sports bottle shape and design for easy and convenient hydration whilst on the go it is also one of the best ways to stay hydrated whilst on your bike because it is small ond compact so it can fit