1. Adjustable Positioning: Our bike water bottle holder hole adjuster allows you to customize the position of your water bottle rack, making it more comfortable and convenient while cycling. 2. Sturdy and : Our bicycle kettle holder regulator is made of high-quality aluminum alloy material, which is sturdy and long-lasting. It can withstand regular use, bumps, and shocks, without breaking or deforming. 3. Seamless Integration: Our road bike water bottle cage adapter is seamlessly integrated into your bike's frame, providing a neat and compact solution, without adding extra weight or bulk. 4. Rust -proof Design: Our bike bottle rack conversion base is vacuum-plated, which provides extra durability and resistance to wear and tear. It can withstand harsh outdoor conditions and prevent rust and . 5. Compact and Design: Our bike water bottle holder hole position fixed frame is small and , making it easy to install and carry with you while cycling. It doesn't add any unnecessary weight to your bike, ensuring optimal performance and comfort. Material: Aluminum alloy colour: Black Package Contents: 2 x bike Bottle Cage Regulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.