Easy to squeeze: The push/pull cap is easy to open and close, and allows a powerful water flow to quench thirst.Versatility: This bicycle water dispenser and cage can be installed on most bicycles, such as mountain bikes, road bikes and folding bikes. Can be used by professional cyclists or people who ride just for funSpecifications:Super light weight, 35 gram(1.24oz)Dimension: 3.3 × 3 × 6 in (H × W × L)Available in two different colors: black,blueMaterial: light heat-treated aluminum alloy.Features:1.Mounts to your frame - out of your way will not interfere with muscular legs.2.Attaches using two screws,There’s nothing to come loose and rip your riding shorts.3.Innovative designs allow you to put the bottle holder easily on your bike.4.Works with most bottle cages.Packege1 ×bike water bottle holder2 ×screwsIf you have any questions about this product, please contact us and we will try our best to solve the problem until you are satisfied.