Review on Bike Water Bottle Holder with Mount and Bonus Water Bottle – No Screws, Perfect for Mountain Bikes and Kids Bicycles by Jason Guzman

I rarely write reviews, but this one impressed me. I carry my coffee in a 16-ounce Stanley thermos—it's metal, probably aluminum, so it's heavier than a regular plastic water bottle. I play golf and usually go nine holes and the cup holder on the cart I use is elongated and doesn't hold the thermos securely. I've tried like 3 or 4 others that just don't work. You can't tighten them enough to keep them in place, or most of them have plastic caps that rip. It's made of lightweight aluminum, it flexes a bit to fit multiple sizes, holds the thermos securely and never moves! They provide all the necessary hex keys and wrenches, as well as various sized bushings, to fit whatever bar (within reason) you want to attach it to. I can warmly recommend this for situations like this.