Brompton Water Bottle Cage HolderBrompton Water Bottle Cage Holder If you're looking to equip your Brompton folding bike with a practical hydration solution, the "Brompton Water Bottle Cage Holder" is the product you need. This set comes complete with a durable bottle cage, an adapter, and the installation tool. It's important to note that a water bottle is not included and should be purchased separately if needed. Designed to fit bottles between 5cm and 9cm in diameter, this cage