Features: Material - Made of aluminum alloy, incredibly strong and light, non-deformable. Power keeps the bottle in place when you ride on uneven terrain. Designed to offer secure bottle retention and easy bottle removal. Quick access to your bike water bottle, stay hydrated on your ride. This bike water bottle cage is suitable for mountain bikes, fixed gear bikes. Specifications: Material: aluminum alloy Size: 14x6.5cm/5.51x2.55inch Color: Black Gold Blue Silver Red Note: Please allow 0-1cm error due to manual measurement. Make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks! Package includes: 1 x Water Bottle Cage Holder