The Brompton Electric G Line 4 Speed brings a new level of refinement to the worlds most iconic folding bike. Hand brazed in London from steel for strength and durability, the G Line delivers the unmistakable Brompton ride feel. Its clever roller frame and quick fold design transform the bike into a compact, portable package in under 20 seconds, making it easy to store, carry, or wheel through stations and buildings.Key FeaturesHand brazed steel frame with compact Brompton geometryAluminium fork with integrated mounting points4 speed Brompton drivetrain for versatile gearingTektro hydraulic disc brakes with 140mm rotors20 Brompton rims with Schwalbe G One Allround tyresQuick fold roller frame for easy transport and storageAvailable with 0% APR financeDrive InformationMotor 250W brushless rear hub motor, 40Nm torqueBattery 345Wh removable battery, 4 hour full chargeUser Interface LED battery display with integrated mode controlAt the heart of the G Line is Bromptons all new UK developed electric system. The compact 250W rear hub motor delivers smooth, reliable assistance up to 25kmh, paired with a torque sensing bottom bracket for intuitive power delivery. The 345Wh battery, housed in a sleek removable bag, provides a practical range for daily rides and recharges in around four hours. The LED display makes it easy to toggle between power modes on the go, and future ready connectivity allows firmware updates and integration with Bromptons smartphone app.The G Lines geometry mirrors that of a full sized bike, ensuring comfort on longer rides while remaining compact when folded. Wide, ergonomic handlebars offer stable handling, while the new in house designed Brompton saddle supports a natural riding position suited to electric assistance. Hydraulic Tektro disc brakes deliver powerful, predictable braking in all weather conditions, a first for Brompton, and the 20 wheels fitted with Schwalbe G One Allround tyres balance rolling efficiency with grip across tarmac, gravel, and mixed surfaces.Designed for riders who go everywhere, the G Line includes practical touches such as mounting points for mudguards, racks, and bottle cages, along with clever in frame storage for a toolkit. Available in three size options; small, medium, and large. The G Line adapts perfectly to a wide range of riders and styles.
