brand new and high quality Features: 1. Easy Installation: Can be quickly and easily installed on the bicycle frame, the CO2 cylinder can be mounted to meet the occasional tire repair and pumping needs of riding. 2. Solve Drinking Problems: Can be directly locked on the for seat bow and transferred to expand and add two bottle cages. You can carry two water bottles at a for time, so that you can drink water conveniently, no longer thirsty, no need to worry about drinking water for long-distance riding. 3. High Strength: Use high-strength aluminum alloy screws, stainless steel, durable, the screws are hexagon sockets, cannot be disassembled without special tools. 4. Corrosion Resistance: 6061 aluminum alloy T6 treatment, high strength, good toughness, wear resistance and corrosion resistance. 5. Smooth Riding: Aluminum alloy CNC integrated molding, smoother riding, stable installation and not fall off. Bike Saddle Cage Holder only, other accessories demo in the picture is not included! Specifications: Name: Bike Saddle Cage Holder Color and process: colorful model(polished vacuum plating) black model(polished anode sandblasting process) Suitable models: mountain road dead fly BMX Material: 6061 aluminum alloy (T6 heat treatment) Size: app.13.5x8x0.2cm/5.31x3.15x0.08in Optional Color: Black, Colorful Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. pls 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 x Bike Saddle Cage Holder