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Brompton G Line - Large - Forest Green

B-G-L8R-mFG-TYCC

Brompton

Brompton G Line - large - Forest Green

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£2,599.00

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Brompton G Line - large - Forest Green

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 - Large - Forest Green 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:Forest Green 
Rear frame / triangle:Forest Green
Handlebar stem:Black 
Front forks:Forest Green 
Decal:Green
Detailing:Black

3. Size

Large (also available in Small and Medium)
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
54T front chainring - black (we can change to 50T or 44T if you would like reduced gearing for easier climbing)
20T single rear sprocket
Brompton advance chain with connecting link - 114 links
Brompton 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 advance mudguards and rack

7. Roller wheels

Large roller wheels help keep the bike stable when folded 

8. Tyres / Wheels

Schwalbe G One with tan wall (ETRTO size 54-406) - tubeless ready
(Note picture shows continental contact urban tyres - we can happily change the bike to these tyres)
Low rolling resistance and good puncture protection 
20 inch wheels

Tektro / TRP Hydraulic disc brakes

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

Presta / racing type valve - 6mm diameter

9. Saddle

Brompton standard saddle - 147mm width

10. Seat height

Telescopic seatpost

A Brompton saddle height insert is included - we recommend you fit that after riding the bike for a while

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 if required such as:

  • Brompton Be Seen front and rear light set
  • Brompton Cateye VIZ 150 saddle mounted rear light
  • Brompton Lezyne front light (with bracket)

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Brompton G Line - Large - Forest Green

Brompton G Line - Large - Forest Green

Brompton G Line - large - Forest Green

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Data sheet

Colour:Forest Green
RangeG Line
Handlebar Type / Size:Large
Brompton Gears8 speed
Brompton MudguardsMudguards and rack
Model Year2025