The Brompton Borough Waterproof Bag Large in Navy is available at the following locations.
The item will be transferred to the location you choose during checkout.
If the item is not currently available to view at your desired location, please call your nearest store to arrange for it to be transferred.
Brompton Borough Waterproof Bag Large – Versatile & Weatherproof

The Brompton Borough Waterproof Bag Large in Navy is the ultimate companion for cyclists who demand both capacity and protection. As the largest bag in Brompton’s waterproof range, it provides ample storage space while ensuring your essentials remain dry in all conditions.
Constructed from robust, waterproof materials, this roll-top bag offers a flexible carrying solution suitable for commuting, shopping, or working on the go. Its subtle two-tone design is both stylish and functional, complementing any ride.
Designed for practicality, the bag features multiple compartments, including a padded laptop sleeve, internal storage sections, and two large waterproof rear pockets—ideal for separating wet gear from dry essentials. An adjustable external load carry strap provides quick access to items like a helmet or jacket, making it an efficient solution for everyday travel.
Finished with aluminium hardware and a rubberised webbing handle, the Borough Waterproof Bag is compatible with all Brompton handlebar types. Whether you’re commuting through the city or setting out on an adventure, this bag ensures you can carry more and ride free, whatever the weather.
Find it now at On Your Bike and enjoy a seamless ride with maximum storage and protection.
| Brand | Brompton |
| Barcodes | 5053099023776 |
| SKUs / Part Numbers | 9023776 |