Adjustable Aluminum Alloy Bicycle Water Bottle Cage Conversion Seat For Cycling

Feature: \n 1. The water bottle holder conversion seat is made of aluminum alloy and has a lightweight design that enables rapid assembly.\n2. Suitable for 30.9mm/31.6mm seat tube and 31.8mm bend handlebar and straight handle.\n3. Easy to install, horizontal and vertical installation can be adopted, easy to install, suitable for a variety of kettle stand.\n4. The metal surface is anodized, strong and durable, beautiful and fashionable, effectively increasing corrosion resistance, insulation and heat resistance, etc\n5. Beautiful, stylish and practical, this water bottle holder is a great choice. \n\nSpecification: \nCondition: 100% Brand New\nItem Type: Bicycle Water Bottle Cage Conversion Seat\nMaterial: Aluminum Alloy \nColor: Black\nWeight: Approx. 40gApplicable: All Kinds of Conventional Handlebars\nInstallation Steps:\n1. Place a washer on the handlebars to prevent scratches.\n2. Place the base on the washer and find a good position.\n3. Tighten the base screw to :