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Brompton G Line - Medium - Adventure Orange

B-G-M8R-mAO-TYGO

Brompton

Brompton G Line - Medium - Adventure Orange

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£2,599.00

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Brompton G Line - Medium - Adventure Orange

The G Line - Gravel? Line range was introduced by Brompton with the 2024 lineup of bikes

It has larger wheels than the traditional 16 inch Brompton size at 20 inches

Brompton G Line - Medium - Adventure Orange specification:

1. Frame

Main frame:Steel
Rear frame / triangle:Steel
Handlebar stem:Alloy
Front forks:Alloy

Folded size: 71cm wide x 68cm tall by 38cm deep (approx)

2 Colour

Main frame: Adventure Orange
Rear frame / triangle: Adventure Orange
Handlebar stem: Adventure Orange
Front forks: Adventure Orange
Decal: Gold

3. Size

Medium (also available in Small and Large)
The G Line only has one handlebar type - ride position is dictated by the stem length and seat post length
Handlebar width - 65cm

4. Gears / drivechain

8 speed Shimano Alfine hub gear system with single 20T rear sprocket
54T front chainring - black (also available as 50T or 44T - we can change at no extra cost)
Brompton advance chain with connecting link - 114 links
Brompton flat platform pedals (the right one is removable)

5. Front luggage system

The G line comes with a front carrier block fitted 

6. Mudguards / Rack

This bike comes with black mudguards and rack

7. Roller wheels

New larger roller wheels help keep the bike stable when folded 

8. Tyres / Wheels

Schwalbe G One with tan wall (ETRTO size 54-406) - tubeless ready
Low rolling resistance and good puncture protection 
20 inch wheels

TRP / Tektro hydraulic disc brakes

The wheels have black hubs, black spokes and black rims (the braking surface is still silver)

Presta / racing type valve 

9. Saddle

Brompton saddle

10. Seat height

Extended length seatpost

11. Suspension

Along with the new G Line comes a new advance suspension block

12. Lighting / reflectors

Front and rear reflectors are included
It's easy to retrofit battery lighting such as:

  • Brompton Cateye VIZ150 rear light - mounts on the Brompton saddle
  • Brompton Lezyne G Line front light with bracket 
  • Brompton G Line Be Seen light set

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Brompton G Line - Medium - Adventure Orange

Brompton G Line - Medium - Adventure Orange

Brompton G Line - Medium - Adventure Orange

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Data sheet

Colour:Adventure Orange
RangeG Line
Handlebar Type / Size:Medium
Brompton Gears8 speed
Brompton MudguardsMudguards and rack
Model Year2026