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The Brompton Handlebar Control for Electric G-Line is a compact, smart interface that puts essential ride data and controls at your fingertips. Featuring adaptive range estimation and Start Assist, it allows for seamless management of power modes and lighting without removing your hands from the handlebars.
The Brompton Handlebar Control for Electric G-Line is a compact, smart interface that puts essential ride data and controls at your fingertips. Featuring adaptive range estimation and Start Assist, it allows for seamless management of power modes and lighting without removing your hands from the handlebars.
Brompton

Brompton Handlebar Control for Electric G-Line

£120.00
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.

Returning an item

Online or in-store purchases can be returned to any of our 12 stores free of charge or can be returned by post or courier at your cost after completing the online returns form below. If you are returning an item due to a fault, we will refund your postage costs.

Bikes & Bulky items

If you wish to return a bike or bulky item to us, please keep the box it arrived in and let us know by contacting our support team via our online webchat, email or by phone (020 45063856) and we will help arrange a collection.

Non Bike - Customer Returns Form

If you wish to return or exchange an item, please fill out the form below following the steps inside. Returns can be processed quicker if all required information is provided.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Brompton Handlebar Control for Electric G-Line

Season:All Year Round

Brand:Brompton

Code:Q104109

The Brompton Handlebar Control is a smart, compact device designed to fit seamlessly into your ride. It puts key features at your fingertips, allowing you to view speed, battery level, assist mode, and a dynamic, adaptive range estimate that learns from your last 100 km. This helps eliminate guesswork and range anxiety.

You can switch power modes, control lights, and activate Start Assist—all without taking your hands off the bars.

Key Highlights:

  • Adaptive Range Estimation: Learns your riding style to provide more accurate range predictions.
  • Start Assist: Provides a smooth power boost when setting off, perfect for hills and traffic stops.
  • Real-time Data: Clear, real-time data presented in a sleek and durable design.

Please note: This component must be installed by a trained technician. Software updates are managed by Brompton or Authorised Dealers.

Full Specification:

  • Weight: 0.05 kg
  • Compatibility: Electric G Line
  • Dimensions: 45 x 16 x 28.5 mm (H x D x W)
  • Screen Display: Battery levels, light indicator (on/off), real-time speed, assistance mode, and start/walk assist mode
  • Screen Buttons: Assist mode control, light switch, and stats
  • Side Buttons: Settings for adjusting brightness and toggling between km/miles
  • Power Supply: 12V/24V/36V/48V/52V/60V
  • Working Current: 20mA
Technical Information
  • Weight
    0.05 kg
  • Compatibility
    Electric G Line
  • Dimensions
    45 x 16 x 28.5 mm (H x D x W)
  • Screen display
    Battery levels, light indicator (on/off), real-time speed, assistance mode, start and walk assist mode
  • Screen buttons
    Assist mode control, light switch, stats
  • Side buttons
    Settings (adjust brightness, toggle between km/miles)
  • Power supply
    12V, 24V, 36V, 48V, 52V, 60V
  • Working current
    20mA
Sizing Information
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