Brompton Business Backpack – Expandable Commuter Bag with Carrier Block Bracket (A/C/G/P/T Line)

The smart commuter backpack that clicks straight onto your Brompton's front carrier block — and turns into a proper office backpack the moment you step off the bike. Designed for riders who go from saddle to desk without breaking stride. Why you'll like it Mounts directly on the Brompton front carrier block — bracket included Expandable design – unzip the side to add 30% more volume when you need it Fits a 15.6" laptop, tablet, notebook, camera and daily essentials Built-in USB charging port – connect your power bank inside, charge your phone outside Waterproof scratch-resistant fabric – wipes clean and keeps its shape Padded suspension straps for comfortable carrying off the bike Available in 2 colours – Black and Grey Important – compatibility ✅ Compatible with all Brompton lines: A Line, C Line, G Line, P Line, T Line ✅ Bag bracket is included – clicks onto your Brompton front carrier block ⚠️ Brompton front carrier block is not included – required on your bike to mount the bag ✅ Quick install: align the bracket on the carrier block and push down until it clicks ✅ Quick release: pull the seat buckle and lift off Specs Compatibility: Brompton A/C/G/P/T Line Material: Waterproof nylon Laptop compartment: up to 15.6" Expandable: +30% volume via side zipper USB charging port: yes (power bank not included) Mounting: bag bracket included (front carrier block not included) Dimensions: 35 × 25 × 45 cm (L × W × H) Weight: 1.60 kg Colours: Black, Grey ✅ 2+ years warranty on all products ✅ 100% money-back guarantee — no questions asked ✅ FREE Shipping Worldwide