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Brompton Waterproof Roll Top Large

Brompton Waterproof Roll Top Large

This compact 23L rolltop transforms from a Brompton front bag into a backpack in seconds. Built with RF-welded IPX4 waterproof fabric, an air release valve, 13” laptop sleeve, and magnetic hideaway straps, it offers peak versatility on and off the bike.

Enjoy free shipping on local purchases over HKD300 (A surcharge delivery in designated remote areas) on selected categories

Enjoy free international shipping on selected items with USD600 on selected categories

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Working just as well off the bike as on it! The Brompton Waterproof Roll Top Large transforms from a front luggage carrier bag into a backpack in seconds. Designed around how a Brompton is ridden, folded, and carried, magnetic straps stay tucked neatly away while mounted on the front carrier block. Built from 400D recycled nylon with RF-welded waterproof construction (IPX4 rated), it features an air release valve to compress excess air when closing. The rolltop opening with a G-Hook closure adjusts easily to suit your load, while a padded 13” laptop sleeve, dual rear rolltop pockets, and an extra load strap system handle all your everyday cargo in any weather.



Key Features

23L Rolltop & Instant Backpack Transformation: Mounts onto the Brompton front block or transforms into a backpack using magnetic hideaway straps.

IPX4 Waterproof & Air Release Valve: RF-welded 400D recycled nylon construction with an integrated air valve for compact, all-weather protection.

Adjustable G-Hook Closure & Extra Load Straps: Flexible rolltop mechanism adjusts to load size; features extra external straps for carrying bulkier items.

Padded 13” Laptop Sleeve & Rear Pockets: Keeps electronics safe with a cushioned sleeve alongside two quick-access rear rolltop pockets.



Specifications

Model Name: Brompton Waterproof Roll Top Large 23L

Volume / Dimensions: 23 Liters / H30 x W42 x D20 cm

Weight: From 1.5 kg

Waterproof Rating & Build: IPX4 Rated / RF Welded waterproof construction

Materials: Outer: 400D Recycled Nylon; Inner: 200D Recycled Nylon TPU Coating

Features: Air release valve / Extra load strap system / 2x rear rolltop pockets / Detachable shoulder strap

Laptop Sleeve: Padded sleeve for up to 13” laptops

Compatibility: Fits all standard non-electric Brompton models
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Delivery Options

  • International Shipping 4
  • International Shipping 3
  • International Shipping 2
  • International Shipping 1
  • SF Express (Commercial and residential address)
  • S.F. Express - EF Locker Pickup
  • S.F. Express - Business Station Pickup
  • S.F. Express - Store Pickup
  • IN-STORE PICKUP

Payment Options

  • Bank Transfer
  • Credit Card
  • Apple Pay
  • Google Pay
  • Alipay (HK)
  • WeChat Pay
  • Bank Transfer
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