Bring next-generation control to your Brompton Electric G Line with the new Handlebar Control unit, designed to make your ride smarter, smoother, and more intuitive.
Now available as an aftermarket accessory, this new display and control system lets you monitor speed, assistance mode, trip data, and range estimation — all from the handlebar. With a simple, ergonomic design and new features like Start Assist and Walk Assist, it transforms how you interact with your Brompton Electric.
Please note: installation must be carried out by a Brompton-trained Electric technician with access to the Brompton Diagnostic Tool to ensure correct setup and compatibility.
Please note, this product cannot be shipped directly to customers. It must be collected and fitted by an authorised Brompton Electric dealer. A £40 labour charge applies for the fitting service.
Key Features
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Compatible with the Brompton Electric G Line – designed specifically for Smart System-equipped bikes.
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Full system display – shows speed, assistance level, trip distance, total distance, and estimated range.
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Simple navigation – top button scrolls through screens; rock the display up or down to change modes.
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Start Assist – provides power up to 15 km/h when pulling away from a standstill, perfect for hills.
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Walk Assist – offers assistance up to 6 km/h for easier handling when walking beside the bike.
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Lighting control – toggle between Auto-On and Off by rocking and holding the screen upward.
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Customisable settings – change units, brightness, and orientation directly from the screen.
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Bosch-style functionality – displays a real-time range estimate that adjusts to your riding style.
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Compact and intuitive design – seamlessly integrates next to the left brake lever for easy reach.
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Official Brompton Accessory – part number Q104139, available through Brompton retailers and service partners.
We Fit Accessories
When you order parts and accessories with your bike, we’ll fit them for you wherever possible, so your bike arrives ready to ride.
Convenient Collection Options
Prefer to collect in person? Choose to pick up your items from any Fully Charged store, including locations in London, Silverstone, Guildford, Cornwall, or the New Forest.
Fast Dispatch
Orders are typically dispatched within 1–3 working days. Tracking information will be provided for all orders once your package leaves us.
Free Mainland UK Delivery
Enjoy free delivery on orders over £100 across Mainland UK. For Northern Ireland, Channel Islands, and the Scottish Highlands, a courier charge applies.
If you're not completely satisfied with your purchase, you have 14 days from the date of receipt to cancel, return, or exchange your order, excluding custom-built or personalised items. To initiate a return or exchange, please contact Fully Charged via email or phone with your order details. Return the goods within 14 days at your expense, and we'll refund you via the original payment method, minus any costs for damage or devaluation.
Specifications
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