Very suitable for roads, mountains, electric bicycles, adults, kids bicycles, motorcycleDescription:Product name: Bicycle bottle cage aluminum alloy conversion Product with packaging weight: 40 gramsProduct size: 55*83*16mmMaterial: aluminum alloyApplicable installation pipe diameter: 19-40mmFeatures: easy to install, strong and durableSpecifications:Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurementPackage Included:Conversion *1Professional Accessories Design: designed to allow you to quickly access your water bottle or cup, keep adequate water when riding, and enjoy a pleasant riding trip.