Introduction

G Line. The most versatile bike in the world. Now Available!

The all-new one-bike solution for the city and beyond. Big on ride feel and 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.

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.

Expertly engineered to go where others cant. 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.

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.

Specifications

Weight

From 32.63 lb

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-speed drivetrain

Number of gears

8 gears

Chainset

54T

Headset

Brompton headset

Shifters

Microshift

Derailleur

Shimano Alfine Hub System

Rear Wheel

20″

Front Wheel

20″

Tires

Schwalbe G-One All Round 54-406. Tan wall

Fenders

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

Geometry