Description
Brompton WP Backpack L: 22L Waterproof Dual-Orientation Luggage
The Brompton WP Backpack L is a 22-litre waterproof bag made for everyday Singapore commutes, work trips and weekend adventures. Its dual-orientation design mounts horizontally on the front of a compatible non-electric Brompton, then carries vertically as a comfortable backpack when you leave the bike.
A curved profile, RF-welded construction and TPU-coated recycled nylon give this bag a clean, durable finish. The rolltop opening secures with Velcro, while a separate quick-access zipper lets you reach the main compartment without unrolling the top. IPX5-rated zippers, an external zip pocket and a padded laptop sleeve keep daily essentials organised.
Why choose the Brompton WP Backpack L?
- Dual-orientation carry: mounts as front luggage and converts into a backpack off the bike.
- 22-litre capacity: practical space for commuting, work and day trips.
- Waterproof construction: RF-welded seams with an IPX4 rating.
- Fast access: quick-access zipper opens directly into the main compartment.
- Organised storage: padded laptop sleeve plus an external zip pocket.
- Comfortable handling: low-profile shoulder straps, two grab handles and glove-friendly zip pulls.
- Recycled materials: 400D recycled nylon outer and 200D recycled nylon lining with TPU coating.
Brompton WP Backpack L specifications
| Capacity | 22 litres |
|---|---|
| Dimensions | 40 × 30 × 14 cm (width × height × depth) |
| Weight | To be confirmed |
| Outer material | 400D recycled nylon with TPU coating |
| Lining | 200D recycled nylon |
| Construction | RF-welded waterproof construction |
| Bag rating | IPX4 |
| Zippers | IPX5-rated waterproof zippers |
| Main closure | Rolltop opening with Velcro closure |
| Quick access | Separate zipper into the main compartment |
| External storage | External zip pocket |
| Laptop storage | Padded laptop sleeve |
| Carry system | Low-profile shoulder straps and two grab handles |
| Compatibility | All non-electric Brompton bikes with a compatible Front Carrier Block |
Colours and Brompton part numbers
- Copper – Q104316
- Cobalt – Q104317
- Anthracite – Q104318
All three colours are priced at S$295 each. Expected launch: September 2026.
Compatibility
The WP Backpack L is compatible with all non-electric Brompton bikes. A compatible Brompton Front Carrier Block is required to mount it to the bike. It is not designed for Electric Brompton models, which use a different luggage system.
Made for commuting and travel
The 22L capacity balances everyday usefulness with a compact profile. Carry a laptop, rainwear, spare clothing, tools and personal items, then switch from bike luggage to backpack at your destination. For other capacities and carry styles, compare the Brompton Rolltop Bag Large or browse all Brompton bags and front luggage.
Frequently asked questions
Is the Brompton WP Backpack L waterproof?
It uses RF-welded construction and is rated IPX4, with IPX5-rated waterproof zippers. It is designed for wet-weather riding and spray, but it should not be submerged.
Can it be carried as a normal backpack?
Yes. Its dual-orientation design mounts horizontally on the bike and carries vertically using low-profile shoulder straps.
Does it have a laptop compartment?
Yes. The main compartment includes a padded laptop sleeve. Brompton has not specified a maximum laptop size for this model.
Does it require a Front Carrier Block?
Yes. A compatible Brompton Front Carrier Block is required when mounting the bag to a non-electric Brompton.
When will it be available?
The expected launch is September 2026. Availability may vary by colour.
Buy with confidence from 808 Cycles Pte. Ltd., a Singapore Brompton Authorised Dealer. To register your interest or ask about availability, WhatsApp +65 9820 8642.
















