Description If you are looking for professional bike bottle cage adapter, you should take a look at this item. This bike bottle cage adapter is made of high-class material, which enjoys strong durability. It can greatly meet your practical requirement, can be used for water bottle mount installation. Features -Color:Black -Material:Aluminum alloy -Size:7.80X5.50X2.50cm/3.07X2.16X0.98in diameter: 19-33mm - No need to remove seat post or brake handlebar to install your bottle holder, practical and convenient. - Solve the problem that the water bottle will be collided when you ride outdoor. - Wide compatibility: this bottle cage mount adapter is compatible with most bottle cage and bike. - Suitable for mountain bike, road bike, kids bike, electric bike, and etc. - The product is light, portable, easy to use, and is a convenient and practical Bottle Cage Mount Adapter. No need to remove seat post or brake handlebar to install your bottle holder, practical and convenient. Solve the problem that the water bottle will be collided when you ride outdoor. Wide compatibility: this bottle cage mount adapter is compatible with most bottle cage and bike. Suitable for mountain bike, road bike, kids bike, electric bike, and etc. The product is light, portable, easy to use, and is a convenient and practical Bottle Cage Mount Adapter.