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Brompton G Line Electric - Small - Forest Green - stock image View larger

Brompton G Line Electric - S - Forest Green

B-GE-S4R-mFG-TYCC

Brompton

Brompton G Line Electric - Small - Forest Green

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£3,699.00

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Brompton G Line Electric - Small - Forest Green

The G Line Electric - 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 - but that's not the only change - almost everything is different!

It also uses a rear wheel motor and all new Greenway battery (compared to the C Line Electric)

Brompton G Line Electric - Small - Forest Green specification:

1. Frame

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

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

The handlebar stem has water bottle bosses to allow mounting of a water bottle (or other suitable accessory)

The front fork also has two bosses on the right hand (as you sit on it) fork leg to allow the mounting of an accessory - we use it to mount a cafe lock

2 Colour

  • Main frame: Forest Green
  • Rear frame: Forest Green
  • Handlebar stem: Forest Green
  • Front forks: Forest Green
  • Decal: Gold

3. Size

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

4. Gears / drivetrain

4 speed Brompton derailleur gear system powered by a motor in the rear wheel
50T front chainring - black (we can change to 44T to reduce gearing if you would prefer)
Brompton advance chain with connecting link
Flat platform pedals (the right one is removable)

5. Front luggage system

The G Electric line comes with a the front carrier block fitted
The bikes comes complete with the Essentials bag containing the battery 

6. Mudguards / Rack

This bike comes with black mudguards and rack

7. Roller wheels

Large new G Line roller wheels help keep the bike stable when folded 

8. Tyres / Wheels / Brakes

Tyres
Schwalbe G One tyres with tan wall (ETRTO size 54-406) - tubeless ready
Low rolling resistance and good puncture protection 
(If you would prefer to change to 20 inch Continental Contact Urban tyres to make this a commuting machine - we can make this change at no additional cost)

Wheels
20 inch wheels
The wheels have black hubs, black spokes and black rims (the braking surface is still silver)
Presta / racing type valve 

Brakes
TRP Hydraulic disc brakes

Brake Rotors:
TRP Centrelock 25 - 140mm front
TRP 6 bolt - 160mm rear

About the TRP Centrelock 25 rotorsTRP’s slotted rotor is designed for the most demanding riders in the most demanding conditions. The aluminium spider gives superior heat dissipation and excellent stiffness. Six recessed slots create channels to allow water, mud, and other debris trapped between the pad and rotor to escape during braking. When debris gets trapped between the pad and rotor braking power is dramatically reduced, these recessed slots maintain a more consistent brake feeling in mixed conditions. Upgrade the stopping power and heat dissipation by increasing the size of your rotor giving you more surface area and leverage

9. Saddle

Brompton wide (167mm) saddle - if you would prefer a narrower saddle we can change to the Brompton standard (147mm) saddle
The saddle is connected to the seatpost using the Brompton Pentaclip - allowing for easy adjustment of the saddle angle and fore / aft position

10. Seat height

Standard seatpost

11. Suspension

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

12. Lighting / reflectors

  • Lezyne E115 front light
  • Busch and Muller rear light

The lights are powered by the battery on the front of the bike and have 3 modes:

  • On
  • Off
  • Auto sensing - where the lights will turn on when sensing it is dark

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Brompton G Line Electric - S - Forest Green

Brompton G Line Electric - S - Forest Green

Brompton G Line Electric - Small - Forest Green

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Data sheet

Colour:Forest Green
RangeG Line
Handlebar Type / Size:Small
Brompton Gears4 speed
Brompton MudguardsMudguards and rack
Model Year2026
Wheel valve typePresta / racing type