Your water bottle and bottle cage on the bike. At first sight a small thing, but so important for your performance. If you have your hydration system in order, you can ride faster and last longer without having to stop. But water bottles and bottle cages come in many varieties. From holders that clamp extra tightly for mountain bikers riding over rough terrain to extra light variants for road cyclists for whom every gram counts. And bottles in all kinds of colors and sizes, some of which are specialized in keeping your drink warm in the winter. Do you want to know everything about our hydration systems? Then read on in our buyer's guide.