The Elite Struka is a bottle holder that features a handy adjustment mechanism, making it compatible with bottles ranging from 65 to 80 mm in thickness. Now, you can bring along more than just your bike bottle on your cycling adventures! This holder fits most steel and aluminum bottles, as well as various thermos bottles. Even standard 0.5-liter soda bottles can be securely held in place. Made from fiberglass-reinforced plastic, this holder keeps your bottle stable while weighing in at just 34 grams. The tightening cable is crafted from durable steel.