Universal Bike Water Bottle Holder Feature： 1. Durable : Made of plastic steel and high quality metal parts . 2. Works with a variety of drink bottles, coffee cups, water bottles, travel mugs and tumblers. 3. Holds water bottles during cycling. Designed to keep the bottles stable and safe, prevents cups from spilling or falling off. 4. Convenient for you to drink water when you are thirsty. 5. Adjustable clamp can be rotated 360 degrees, you can install it on angle you like. 6. Wide Application: Suitable for different equipments with tubes or pole . Such as bicycles,exercise bike, stroller, scooter, motorcycle, trolley, walker, wheelchair and so on. 7. No Tools Needed: it is a "clip on " cup holder.