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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.
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.
Brompton

Brompton G Line with Roller Frame folding bike Forest Green Medium

£2,749.00
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30 Day Returns

We offer a 30 day returns policy. We will only refund return postage costs on damaged/faulty goods (a postage receipt will be needed). Refunds will only be returned to the original payment method – this may take up to 10 days to appear depending on how you paid.

WHAT WE CAN DO:

  • We offer a 30 day returns policy.
  • We will only refund return postage costs on damaged/faulty goods (a postage receipt will be needed)
  • Refunds will only be returned to the original payment method – this may take up to 10 days to appear depending on how you paid.

WHAT WE CANNOT DO

  • We cannot refund your return postage if you have changed your mind or ordered incorrectly.
  • We are unable to accept returns where the goods or packaging is lost, damaged or not in the condition you received it in.Please note that bikes must be returned in a securely-packaged bike box.
  • We are unable to offer a return on items that have been bought in the sale, gift voucher's or store credits can be issued.
  • We cannot accept returns without a completed returns form – items received without the correct paper work will delay the returns process.
  • We are unable to offer a refund without proof of purchase.

WHAT YOU NEED TO DO

  • Always hold on to your packaging (including bike boxes) until you are completely satisfied with your purchase – we cannot accept returns without this.Please note that bikes must be returned in a securely-packaged bike box.
  • Try and keep packaging intact as damaged packaging may invalidate your right to a refund.
  • When returning your order under warranty please make sure any items of clothing, footwear or bikes have been suitably cleaned – failure to do this may delay or invalidate your warranty claim.
  • It is your responsibility to ensure that the item is returned to us in a safe and secure manner, we suggest that you use a recorded postal/courier service. Please ensure that the service you use covers the value of the goods in the parcel.

Brompton G Line with Roller Frame folding bike Forest Green Medium

Season:2026

Brand:Brompton

Code:5053099475582

Brompton G Line with Roller Frame folding bike in Forest Green. Size Medium

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 far beyond.

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 multi-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.


Technical Information

Specifications

Frameset

    • Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints

    • Rear Frame: Hand brazed cold-formed micro-alloy steel tubing

    • Fork: Aluminium with mounting bosses

    • Stem: Aluminium with mounting bosses

Wheels

    • Front Wheel: 20" Double-wall rim laced to Alloy Disc Hub with 12mm bolt-through axle

    • Rear Wheel: 20" Double-wall rim laced to a Shimano 8 speed Internal Hub with a 307% gear range.

    • Tyres: Schwalbe G-One Tan-wall 20" x 2.10 (54-406)

    • Mudguards: New 20" Mudguards with improved rubberized flap


Drivetrain

    • Pedals: Brompton Quick Release Wide Platform

    • Crank: (6061) forged aluminium crank with 54T chainring and integrated chainguard

    • Chain Tensioner: Designed to deal with the large variations in chain whilst being folded and unfolded.

    • Shifters: 8 Speed rapid fire shifter

    • Bottom Bracket: Square taper bottom bracket

Components

    • Handlebar: (6061) aluminium handlebar, 660mm length, 31.8mm clamp

    • Grips: Ergonomic Lock-on grips with textured soft-compound rubber adhered to an engineered core

    • Headset: Brompton headset

    • Brakes: Tektro Hydraulic Disc Brakes, 140mm Rotors F&R

    • Saddle: Brompton Superlight saddle with integrated carry handle (147mm). Incorporates a mount for a Brompton rear light and saddle bag.

    • Seatpost: Chromoly steel tube, centreless ground, chrome plated for hardness, delivered in a standard length (small), Extended Length (Medium) & Telescopic (Large).

    • Roller Frame Rack: New G Line specific rack. Perfect for rolling your bike around when folded thanks to the new super smooth roller wheels, and pairing with the new Rack Bag
Sizing Information
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