The "No-Bend" version does not have the "hook" on the back that common bottle cages have. This allows this cages to fit a variety of non-bike specific bottles such as a Klean Kanteen Classic Insulated 20 oz or a Hydroflask Standard Mouth Vacuum 24 oz. Aluminum bottle cage with about 65mm of up/down adjustment Move a cage lower to fit a large frame bag or move it up be farther away from the other cage Duraluminum construction, bolts not included Made in Japan