Brompton Electric G-Line | 4-Speed | 2026

£3,699.00

Brompton Electric G-Line 4 Speed 2026 Featuring the all new e-Motiq System with SuperRoll+ The Brompton Electric G-Line 4 Speed 2026 is a premium electric folding bike engineered for urban commuting, mixed-terrain riding, and compact storage. Built around Brompton’s all-new e-Motiq motor system and SuperRoll+ mobility platform, this model combines full-size ride — Read More

Spread the cost from £92.48 monthly*

Buying Guides

Description

Brompton Electric G-Line 4 Speed 2026

Featuring the all new e-Motiq System with SuperRoll+

The Brompton Electric G-Line 4 Speed 2026 is a premium electric folding bike engineered for urban commuting, mixed-terrain riding, and compact storage. Built around Brompton’s all-new e-Motiq motor system and SuperRoll+ mobility platform, this model combines full-size ride performance with the brand’s signature fold.

Designed as a fully integrated electric system, the Brompton G Line Electric delivers reliable power, intelligent control, and practical portability for daily travel and extended adventures.

Key Features

  • Electric Folding Bike Design
    • Original Brompton folding system
    • Folds into a compact, lockable package in under 20 seconds
    • Suitable for trains, car boots, and small storage spaces
  • e-Motiq Electric System
    • Custom-built 250W rear hub motor
    • Seamless hardware and software integration
    • Developed by Brompton for Brompton
    • Optimised for traction, control, and efficiency
  • 345 Wh Removable Battery
    • Up to 90 km (50 miles) range
    • Quick-click battery removal
    • Easy charging at home or work
  • 4-Speed Drivetrain
    • Balanced gearing for urban and mixed terrain riding
    • Smooth performance across varied surfaces
  • 20-Inch Wheels
    • Schwalbe G-One – Custom puncture-resistant tyres
    • Stable handling on and off-road
    • Maintains compact folding profile
  • SuperRoll+ Roller System
    • Integrated roller frame with four base wheels
    • Improved balance and weight distribution
    • Enables smooth rolling in folded mode
    • Shopper Mode and Suitcase Mode support
  • Steel Frame Construction
    • Durable and rigid frame design
    • Full-size geometry for comfort and stability
    • From 19.5 kg

Smart Control and Connectivity

  • Handlebar Display
    • Adaptive Range Estimation
    • Start Assist Mode
    • Ride data and system controls
  • Companion App Integration
    • Over-the-air software updates
    • Personalised range predictions
    • Ride data synchronisation
    • Continuous system optimisation
  • Intelligent Range Management
    • Learns riding style over time
    • Updates predictions every 25 metres
    • Improves accuracy after first 100 km

Adventure-Ready Performance

  • UL-certified electric system for proven safety
  • Rugged front carrier block for luggage compatibility
  • Compatible with racks, mudguards, bags, and bottles
  • Toolkit storage inside the frame
  • Confident handling on rough, smooth, and mixed surfaces
  • Comfortable for long-distance riding

Ride Quality and Portability

The Brompton Electric G Line features frame geometry comparable to a full-size bicycle, delivering a stable and natural ride feel. Despite its robust construction and electric assistance, it remains highly portable when folded.

With SuperRoll+ and the roller frame, the bike glides easily through stations, offices, and public spaces, making it suitable for multi-modal commuting and travel.

Technical Overview

Specification Details
Model Brompton Electric G-Line 4 Speed 2026
Motor 250W Rear Hub (e-Motiq System)
Battery 345 Wh Removable
Range Up to 90 km / 50 miles
Gears 4-Speed
Frame Steel
Wheel Size 20 Inch
Weight From 19.5 kg
Folding System Original Brompton Fold
Rolling System SuperRoll+ with Roller Frame

Why Choose the Brompton G Line Electric?

  • Integrated electric folding bike system
  • Compact storage with full-size ride performance
  • Advanced e-Motiq motor technology
  • Intelligent range management
  • Smooth folded rolling with SuperRoll+
  • Designed and engineered in the UK
  • Suitable for city commuting and extended travel

The Brompton Electric G-Line 4 Speed 2026 is a versatile Brompton electric folding bike built for riders who require portability, intelligent power assistance, and dependable performance. With its integrated e-Motiq system, SuperRoll+ mobility, and compact fold, it offers a practical solution for modern urban and adventure-focused cycling.

Bike specifications are advised by the manufacturer and can be subject to change without prior warning.

Please call our helpful sales team on 01539 821 443 or email us for the latest up-to-date product information.

Specification

Frame

Main Frame – Hand-brazed steel main frame. Rear Frame – Steel. Self-aligning hinge clamps. Folded Size – from: 28.3" / 72cm (D), 26.2" / 67cm (H), 16" / 41cm (W).

Fork

Aluminium fork with mounting bosses

Tape Grips

Ergonomic grips

Brakes

Tektro Hydraulic Disc brakes with 140mm Front / 160mm Rear

Extras

Front Carrier – Large Idameter front carrier block adaptor for all types of Brompton luggage. G Line essential battery bag & Brompton Bell. Essentials bag with 1.5L storage

Rear Hub

Brompton

Front Hub

Brompton

Shift Levers

Microshift

Cassette

11-13-15-18 Tooth

Chainset

4-speed Brompton (163%) – 50T

Pedals

Wide Platform Quick Release

Wheels

Brompton

Front Tyre

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

Rear Tyre

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

Saddle

Standard Wide

Seat Post

Small – Standard Black, Medium – Extended Black, Large – Telescopic Black

Battery

345-wh with LED display. Range – 20-45 miles (30-60km)

Motor

Mark 2 (e-Motiq)

Discipline

Leisure

Material

Steel

Wheel size

20"

Electric

Yes

Season

2026

Add bike + kit to your basket

Add bike + kit to your basket

Checkout with V12 Finance with online acceptance

Checkout with V12 Finance with online acceptance

We contact you to confirm order and arrange shipping

We contact you to confirm order and arrange shipping

Please use our calculator below to help you see what finance options are available. To apply for finance, please select this option at the checkout.

Step 1:Choose your finance option

Please specify the finance option that you wish to choose.

From £92.30 per month.

Step 2:Choose your deposit amount

Please specify the deposit amount that you wish to pay.

The accepted value is between £369.90 and £1,109.70

Representative finance example

Amount of credit £3329.10. 36 monthly repayments of £92.30. Representative APR 0.00%. Total amount repayable £3329.10.
APR Fixed 0.00%
Installment Amount £92.30/month
Repayment Term 36 months
Total Interest Charged £0.00
Deposit Amount £369.90

Cycle to work scheme

Wheelbase has teamed up with; CycleScheme, Halfords, Green Commute Initiative, as well as, Vivup, Cycle Solutions & Bike2Work to offer PAYE employees a healthier way to commute. The scheme stems from the U.K Government’s Green Transport Plan which is designed to get more people out and about riding bikes and reaping the multitude of personal and environmental benefits!
Redeem your voucher online with us and receive your bike in no time.

If you already have your voucher -
To make a purchase using your Cycle to Work voucher, please submit the Reserve Your Bike form, making sure to attach your voucher. We will make contact to confirm your order and advise the next steps.

If you’re still waiting for your voucher -
To reserve a bike while you wait to receive your voucher, please submit the Reserve Your Bike form, we will seek a refundable holding deposit and advise on the next steps. If you require more information about Cycle To Work, contact us though the link below.

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