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.


