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Updated on 21st March 2022: Brompton Electric Upgrades - official programme to repair mudguards. 

At the end of 2021 we initiated a process of upgrading all Brompton Electric bikes with two important design upgrades, developed after capturing customer feedback.  


Since this action, we have received reports of issues with the mudguard on some Brompton Electric bikes which has resulted in injury. All incidents have occurred with bikes that have not been fitted with the new mudguard upgrade.



What is the problem? 

In specific circumstances if an object of a certain size becomes trapped between the bike’s mudguard stay and tyre, it can result in the mudguard getting caught on the tyre, and the bike’s wheel rotation becoming inhibited or stopping suddenly.


Although the risk of an accident occurring is low, we have now begun a programme to repair all affected bikes as part of an official recall, and we ask all Brompton Electric owners to book a free upgrade appointment as soon as they can.

Which bikes are affected?

Only Electric bikes require the repair, but customers who have already had a new mudguard stay and battery catch fitted in the Brompton Electric Upgrades Programme do not need to have a new mudguard stay fitted.    


An easy way to spot if the bike has been upgraded is by following the guide below.    

What is the upgrade?

Customers getting the upgrade will have a new mudguard stay fitted, which increases clearance between the mudguard and tyre.


Additionally, we will fit a new battery catch that reduces the movement between the battery and the bike. This minimises battery disconnections when riding over uneven surfaces, prolonging the life of the electronics and improving ride experience.

How can you get the upgrade?   

You can get an upgrade to your Brompton Electric by booking an upgrade appointment with your local Brompton Junction or Brompton Electric Accredited Retailer. Find your closest store and contact them directly to make this appointment. 


Find a Store


Please note that Brompton are compensating retailers to perform these upgrades, although provision of this upgrade is at the discretion of your local retailer. We recommend that you contact them to check availability prior to visiting them. 


To show our appreciation for your understanding and support, and as a gesture of goodwill, affected customers will be given a credit of £20 / €24 / $26, redeemable from our brompton.com site, for each bike affected.


Claim Your Voucher


Our Customer Service Team will contact you within 10 working days of submitting the form to provide you with your voucher.   Please note that this voucher is only available for customers from the following countries: UK and Northern Ireland, France, Germany, USA, Belgium, Spain, Netherlands, and Italy. We are unable to provide credit to consumers outside of these locations. 


Compensation can be claimed from 21 March 2022 until 21 September 2022.

Brompton Electric App 

To receive further notifications on upgrades directly from Brompton, we encourage all riders to download the Brompton Electric App, available on iOS and Android now.  

Further information 

For more information, read through our FAQs.   


If you still can’t find what you’re looking for, you can contact the Brompton Customer Service team by filling in the form below, messaging us on Live Chat, or calling us Monday to Friday from 9am to 5pm UK time at +44 20 4538 2559.

Contact form


Which bikes are affected?

Brompton Electric bikes with a serial number lower than 2111030089, which have not already had the upgraded mudguard stay and battery catch fitted, will require the upgrade. The 10-digit serial number is located on the seat tube below the seat clamp. You can view the video on how to locate the serial number here.




We recommend that all Brompton Electric owners use the Interactive Bike Checker on the following webpage to check if their bike is affected before contacting their local Brompton Electric Retailer to perform the upgrade:




How do I get the upgrade performed?
The upgrade must be carried out by a Brompton Electric Retailer to ensure the quality and safety standards of your Brompton Electric are maintained.

We have a large network of accredited Brompton Electric Retailers that can perform the upgrade for you free of charge. Please find your closest Retailer and contact them directly to make an appointment. 

Please click on the following link to find your nearest Brompton Electric Retailer: https://www.brompton.com/find-a-store



What can I do if I have any more questions? 

If you still can’t find what you’re looking for, you can contact the Brompton Customer Service team by filling in the dedicated form on https://www.brompton.com/electric-upgrades or call us at +44 20 4538 2559.



Can I perform the upgrade myself? 

We require the upgrade to be carried out by a Brompton Junction or Brompton Electric Accredited Retailer to ensure that the quality and safety standards of your Brompton Electric are maintained.