Brompton Borough Roll Top Bag

Yes, the Borough Roll Top Bag is designed to attach to the Brompton Front Carrier Block, which is compatible with all Brompton handlebar types.

The integrated padded sleeve is designed to fit most standard 13-inch laptops comfortably. If you have a larger 15-inch device, it may be a tight fit or not fit at all, so we recommend measuring your laptop dimensions against the bag's internal capacity.

The bag is constructed from water-resistant fabric and features a roll-top closure to keep moisture out, making it highly effective for commuting in light to moderate rain. However, it is not fully submersible, so we recommend using a rain cover if you frequently ride in torrential downpours.

Absolutely. It includes an adjustable shoulder strap that clips on easily, allowing you to transition from bike to office without needing to swap your belongings into a different bag.

The external strap is designed for quick-access storage of bulky items that don't fit inside the main compartment, such as a cycling helmet, a light jacket, or a rain shell, keeping them secure while you ride.

Because the bag mounts directly to the frame via the Front Carrier Block rather than the handlebars, the weight is centered. This keeps the steering feeling stable and predictable, even when the bag is fully loaded.