Brompton Borough Waterproof Backpack M + Frame Graphite
Don't let the rain stop you from living your best life on your Brompton. This waterproof Bompton pack is durable and ready to go in any weather. It can be mounted on the bike or carried on your back.




This item pays for membership!
$30
10% Reward
on this and every eligible full-price item*
+
$30
Bonus Card
valid for 30 days after joining*
=
$60
Value
Keep shopping


- Made using specially developed recycled fabric
- Works in 2 directions—landscape when mounted on the bike and portrait when carried on your back
- Spacious 17-liter capacity can easily hold everything you need for a day trip on wheels
- Concealed magnets within the fabric make it super fast to secure so you can grab what you need, buckle up instantly and get back on the road
- Compatible with any non-electric Brompton bike
- Streamlined design
- Features multiple pockets and a 15 in. laptop sleeve
- Inside is lined with vibrant orange fabric
- Front pocket is water-resistant, not waterproof
- Attaches to your bike with the Brompton Front Carrier Block located on the bike
Imported.
View all Brompton Handlebar BagsBest Use | Cycling |
---|---|
Gear Capacity (L) | 17 liters |
Gear Capacity (cu. in.) | 1,037 cubic inches |
Waterproof | Yes |
Material(s) | Bag: 51.5% nylon/48.5% TPU; frame materials: plastic/polypropylene |
Dimensions | 15.7 x 5.5 x 1.8 inches |
Weight | 3 lbs. 4.8 oz. |