NEW Features:The diameter of bottle rack can be adjusted， in addition to water bottles， but also can hold water bottles， Coke cans and other types of drinks， water bottles of different sizes， verypractical. Its light weight and compact design makes it convenient and easy to useEasy to install and convenient to useIt is really a good companion for your cycling lifeApplies to: general cycling， mountain biking， road vehicles， folding bike.Specifications:Material: PCDescription: 55 ~ 75mm in diameter can be adjustedColor: Black，White，Red Size: As the picture show Weight: About 60g Charactertics: Adjustable to fit different bottle size diametersNote: Due to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you!Package Contents:1 x Adjustable Plastic Water Bottle Holder (no screws included)http://contestimg.wish.com/api/image/rating?name=b426702c7b8911e68b9c065f903a9ac5.jpg&w=1000&h=1000&m=0&t=0