Brompton Electric G Line with Roller Frame 4 Speed Folding Bike 2026 in Forest Green

Expertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. Brand-new geometry 20″ wheels game-changing comfort and capability. All holistically designed around the fold that made us famous. Ride it fold it store it anywhere. G Line takes you there.Brompton designed the all-new Electric G Line bike and e-system as one. Every element is meticulously engineered from scratch to work together in the city and beyond. From brilliant on and off-road handling to easy charging and storing in small places everything feels seamless with this bike. Stay ahead with over-the-air updates and seamless integration with Brompton’s bike app for your smartphone—designed to elevate your ride to new heights.The all-new one-bike solution for the city and beyond. Big on ride feel. Compact in size. You can ride G Line anywhere and take it everywhere. Happily delivering on all sorts of surfaces. Confident in all conditions. Comfortable hour after hour. G Line is expertly engineered to give you everything you need for the rough the smooth and the beautiful.Happily delivering on all sorts of surfaces. Confident in all conditions. Comfortable hour after hour. G Line is expertly engineered to give you everything you need for the rough the smooth and the beautiful. You can run a rack mudguards and bags add water bottles and even store your toolkit inside the frame. And with the original Brompton fold the ever-ready G Line transforms into a compact locked package in under 20 seconds. Goes on trains. Travels in car boots. Stores in small spaces (including one-person tents).In a world full of possibilities G Line is your one-bike route to everywhere.With smart over-the-air updates the e-Motiq system benefits from automatic upgrades and continuous performance improvementsThese models feature Start Assist – A helpful burst of power right when you need it. Start Assist powers the motor up to 6 km/h without pedalling making hill starts and pulling away from traffic lights effortless. Once you’re pedalling it smoothly accelerates you up to 15 km/h taking the strain off your legs and knees so every ride feels lighter and more fun. Each boost lasts up to 20 seconds with simple fingertip control whenever you need it.Key Features & Benefits:Folded Size:Goes on trains. Travels in car boots. Stores in small spaces (including one-person tents).Steel Frame:Built tough with game-changing comfort.e-Motiq Handlebar controller:With Start Assist the boost feature can get you up to speed while changing assistance levels and displaying battery level speed range lights and more.Full Specification:Main Frame:Steel hand brazed in London Metallic Texturized finishRear Frame:SteelMotor:Brompton e-Motiq rear hub 250W motorBattery:345-wh with LED display. 5V 1.5A USB port to charge portable devices.Range:20-45 miles depending on terrain and rider weightDisplay/Controller:e-Motiq Handlebar controller with Start AssistCharger:2A UK charger – 4 hour charge timeFork:Aluminium fork with mounting bossesNumber of Gears:4Gear Shifters:Microshift 4-speedChainset:Brompton Single Ring Spider TypeChainrings:50THinge:Anti-rotation hingesRear Cassette:4-speed Brompton (163%)Rear Derailleur:Brompton 4-speedBottom Bracket:BromptonPedals:Brompton Wide Platform with quick-release left hand pedalFront Wheel:20″ Disc tubeless rim tape installedRear Wheel:20″ Disc tubeless rim tape installed Brompton e-Motiq rear hub 250W motorFront Tyre:Schwalbe G-One Allround 20″ x 54mm (54-406) (tubeless ready)Rear Tyre:Schwalbe G-One Allround 20″ x 54mm (54-406) (tubeless ready)Brakes:Tektro Hydraulic Disc brakes with 140mm Front / 160mm RearHandlebars:BromptonHandlebar Grips:Brompton ErgonomicHeadset:Brompton headsetStem:3 types fixed to size with water bottle bossesSaddle:Brompton Standard WideSeatpost:Standard Seatpost on Small Extended Seatpost on Medium Telescopic on Large Gloss BlackAccessories:Large diameter front carrier block adaptor for all types of Brompton luggage Rear Roller Frame rack mudguards AVY Integrated lighting G Line essential battery bagFolded Size:From: 28.3″ / 72cm (D) 26.2″ / 67cm (H) 16″ / 41cm (W)Weight:From 16.1kg excluding battery