Brompton Borough Waterproof Roll Top Bag - Blue BackInStock-06-06-2026 13 Vents provide cool air

13 Vents provide cool air intake and heat exhaust

a zipped internal pocket (great for valuables) and padded carry handle

5mm neoprene

THIRD-PARTY APP COMPATIBLE - When used with a compatible smartphone

Brompton Borough Waterproof Roll Top Bag - Blue BackInStock-06-06-2026 13 Vents provide cool airBrompton bags are expertly engineered to sit securely on the front of your bike with one quick click. The unique mounting system places the weight on your frame instead of the handlebars. So, when carrying loads, your ride remains brilliantly stable. The largest Brompton roll top bag. Packs in 23 litres of space for big cargo days and overnight stays. Fits on the front of your Brompton with one quick click so you can pack it all and pedal with ease.