Cyclists, listen up - this Joxvizx carbon fiber water bottle cage is so light you'll barely notice it's on your bike! We're talking full 3K carbon fiber construction that weighs only about 25 grams - that's lighter than most energy bars! But don't let the lightweight fool you, this thing is seriously strong and corrosion-resistant, so it won't deform no matter how rough your rides get. The diameter is perfect for standard water bottles (fits 2.79 to 2.95 inches), and it's designed to hold your bottle securely while still being easy to grab and replace mid-ride. Installation is a breeze with the included Allen wrench and mounting screws - just remember it's meant for your bike frame's seat tube or sloping down tube. Works with pretty much any bike you've got - mountain bikes, road bikes, fixies, hybrids, commuting bikes - you name it. The matte/gloss finish looks super professional too, like something you'd see on those expensive pro-level bikes. Joxvizx specializes in cycling accessories that actually make sense, and this bottle cage is one of those simple upgrades that just works perfectly. Comes with two cages in the package, so you can outfit your main ride and your backup bike, or just have a spare for when friends need to borrow one. Seriously, if you're tired of heavy, clunky bottle cages, this carbon fiber upgrade is totally worth it!