Description: Folding bicycle, dead-, no water bottle expansion rack hole mounting seat water rack bundle, with bracket. Easy to install,Pass the nylon through the extender. Combine the bottle cage with the screw of the extender with the screw. Do not tighten the screw to ensure that the cable tie can be pulled out flexibly. Select a part of the bicycle, tie the extender and the kettle as a whole with a cable tie, and then tighten the middle screw. After removing the kettle when disassembling, press and hold the switch of the cable tie, and then loosen the cable tie. Suit for folding bike. Specification: Material: ABS Size Chart: Size: 4x3cm/1.57x1.18inch Package Includes: 1 Piece Bike Water Bottle Expansion Rack Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!