






Why buy bike from us?
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. It's your one-bike solution to the city and beyond.
Key Features:
The most versatile bike in the world
Expertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike.
20” wheels
Big enough for any adventure yet compact enough to fit inside the fold. The G Line’s solidly built 20” wheelset comes equipped with custom-made puncture-resistant tyres.
Hydraulic disc brakes
Super dependable stopping power. The first ever Brompton to come equipped with disc brakes for all terrain, all-weather riding.
Wide platform pedals
The grippiest, most comfortable Brompton pedal set. The left hand pedal can be released with a quick squeeze and pull to make your folded bike even more compact.
Wide handlebars
Stay in control. With the custom made handlebars, G Line gives you exceptional stability – from leverage on uphills and rough ground to comfort on longer rides.
Ergonomic grips
Every touchpoint between you and the bike is designed with comfort and control in mind.
Specifications
- Weight: From 14.8 kg
- Speed: 8-speed
- Material: Steel
- Folded Size: 28.3" / 72cm (D), 26.2" / 67cm (H), 16" / 41cm (W)
- Main Frame: Hand-brazed steel main frame
- Rear Frame: Steel
- Fork: Aluminium fork with mounting bosses
- Grips: Ergonomic grips
- Seatpost: Small - Standard Black, Medium - Extended Black, Large - Telescopic Black
- Saddle: Superlight
- Seatclamp: G Line Aluminium
- Hinge Clamps: Self-aligning hinge clamps
- Pedals: Wide Platform Quick Release
- Drivetrain: Brompton 8-sspeed drivetrain
- Number of gears: 8 gears
- Chainset: 54T
- Headset: Brompton headset
- Shifters: Microshift
- Derailleur: Shimano Alfine Hub System
- Rear Wheel: 20"
- Front Wheel: 20"
- Tyres: Schwalbe G-One All Round 54-406. Tan wall
- Mudguards: Included
- Lighting: Reflectors
- Pump: Not included
- Rack: Included
- Brakes: Tektro Hydraulic Disc brakes with 140mm Rotor
- Front Carrier: Large diameter front carrier block adaptor for all types of Brompton luggage
- On Bike Accessories: Not included
Size Guide
G Line comes in three easy-to-choose sizes based on your height. Small, medium or large. The single-size frame has varying stem and seatpost heights, developed and tested with a world-leading bike fit expert for the best ride experience.
Note: Manufacturer may reserve the right to change the specification of that listed or shown on this page.
This could include but not limited to specification or colour
Manufacturer's Code: 28E044B06COG0Q0FG0050620BB4400, 28R066B06COG0Q0FG0050620BB6600
Barcodes: 5053099095650, 5053099088379