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Description
Brompton Borough Waterproof Bag – Small (Navy)
The smallest of Brompton’s waterproof Borough bags is built for riders who pack light but need full weather protection. Its flexible design converts from shoulder bag to backpack, making it just as useful off the bike as on it.
A roll-top closure and fully welded seams keep your essentials dry through Portland drizzle or downpours abroad. The zipped front pocket gives quick access to small items, while aluminum hardware and a rubberized webbing handle add durability and style.
Compatible with all Brompton handlebar types, it clips directly to the front carrier block in seconds—ready for your commute, errands, or a spontaneous day out.
Simple, waterproof, and right-sized for what matters most.
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Weight
From 2.64 kg (5.82 lb) -
Main Material
70% Polyester, 30% TPU -
Capacity
9 L (2.38 gal) -
Fitment
Front Carrier Block -
Compatibility
All non-electric Brompton handlebars -
Dimensions
W 11.8″ × H 11.0″ × D 4.3″ -
Waterproof
Yes -
Water Resistant
Yes -
Straps
Detachable shoulder / backpack strap -
Details
RF-welded construction (100% waterproof)
Detachable 2-way strap — wear as backpack or shoulder bag
Aluminium hardware
Front pocket with water-resistant YKK Aquaguard zip
Air release valve
Webbing carry handle
Glove-friendly zip pulls -
No. of Pockets (External)
1
UPC / Part Numbers
| Option | SKU | UPC |
|---|---|---|
| Default | Q101580 | 5053099023790 |
