The Stylish Topeak Fuel Tank Bag is the best Fuel bag with a medium capacity, so you can fit a range of products in, from energy bars to inner tubes, tools and much more. It’s designed with the idea of keeping things to hand. It features a main compartment with one inner mesh pocket, handy to keep electronic equipment separate from food. A great addition that many bar bags don’t include is a cable access hole for charging devices with mobile power packs.