The Double Bottle Adapter is part of the B-RAD™ system that allows you to fit 2 bottle cages side-by-side.Easy to access bottles and out of the way of legsEasy to install using existing cage mounts on a bikeB-RAD Base component is required; sold separatelyCOMPATIBILITYRequires use of a B-RAD mounting baseCompatible with any bike frame that has 2 standard 64mm spacing bottle cage mounts (most modern frames)Hardware included is T25 Torx headSPECIFICATIONSWeight: 20gMaterial: 6061-T6 aluminum bracketsTools Needed: T25 TorxTorque: 3-4 NmMax Load: 1700g Made in the USAThe StoryWolf Tooth was founded to design and manufacture precision cycling products that emphasize function, performance, and reliability to meet the needs of our fellow racers and riders.We are a group of cyclists in Minneapolis, Minnesota that spend a lot of time talking about bike components. Like most detail-obsessed riders, we're always looking for new products that could make our bikes lighter, faster, more versatile, or more reliable. We pride ourselves on delivering premium products of the highest quality.