What Our Gearhead(R) Experts Are Saying: "I use the Quick Cage Adapter to strap extra bottles on my gravel frame where there aren't any mounts. It's lightweight, holds tight on rough terrain, and makes setting up for longer rides or bikepacking super easy. It works with any standard cage, which is a huge plus."Some rides demand more water, so the Twofish Quick Cage Adapter makes sure we're never caught without a mount. This simple adapter turns any standard bottle cage into a frame-ready solution. The flexible rubber block conforms to a variety of tube shapes, while the hook-and-loop strap holds the bottle tight and rattle-free.