ITEM NAME:1pc Bicycle Cycle Water Bottle Cage Holder Adapter Clamp 360 Degree Rotatable Features ï ¼Å¡ 1.Bike applicable: front and rear handlebar, former tube, suspension fork, top tube, down tube, seat tube, easy for hanging. 2.Can rotate 360 degrees + quick release design. 3.Fixture is suitable for a variety of diameter: 25-31mm ( diameter ). 4.Fixture can be separated from the water bottle cage Specification ï ¼Å¡ Color: black Material: Plastic Size:approx. 8.2cm x 4.4cm / 3.23 * 1.73in Suitable tube diameter: 25mm-31mm ( diameter ) Package included: 1 pc x Bicycle Water Bottles Holder Clamp Note: (1)Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you order. (2)This item only contains a mount, the water bottle cage is for reference, which is not included..Fixture can be separated from the water bottle cage. 1 pc x Bicycle Water Bottles Holder Clamp. (2)This item only contains a mount, the water bottle cage is for reference, which is not included. Can rotate 360 degrees + quick release design.