When you head out on your plus sized or fat bike, you're not always racing for days across the Alaskan tundra or bike-packing in the Arizona desert. Sometimes, it's a quick spin on a local trail or maybe you're just mixing it up at a shortish endurance, XC, or gravel event. With the Gristle Fat Tube Strap, you can conveniently mount your backup butyl rubber under the saddle. It has enough capacity to also handle a small pump/CO2 and a tire lever, so you can put your bike-mounted luggage set back on the shelf until your next epic adventure.