Features: Premium cage: swtxo bicycle water bottle cage is made of heat treated material and strong aluminum alloy, with a smooth surface, oxidation-proof, durable, for tough and lightweight, and non-deformation, which it's the excellent cycling gear for your outdoor riding adventures. Exquisite finish: the surface is beautifully smooth and will not scratch your bottle. Secure & sturdy: The bike's water bottle holder has arms that wrap around the bottle ensure it stays in place firmly and securely if you're out riding fast on rough roads or trails. Easy Installation: Our Cycling Bottle Cage comes with 2 stainless steel screws and a 4mm hex wrench to secure cages to screw holes in the frame, mount to your bike frame in less than 1 minute. The bicycle frame requires threaded holes to install the cage. Contact us if you have questions,we will try our best to serve for you. Specifications: Item Name: Aluminum Alloy Paint Bottle Cage Brand Name: SWTXO Material: Aluminum Alloy Color: Blue; black; Red; purple Weight: about 31g Size: about 146mmx80mm Suitable for: mountian bike, road bike, folding bike Note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pcs Water bottle holder .