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Brompton Electric adapter frame for small bag

Q103673

Brompton

Brompton Electric adapter frame for small bag

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We have 6 in stock

£30.00

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Brompton Electric adapter frame for small bag

This is a replacement frame for the Brompton Electric small bag - the frame and the bag were introduced along with the Brompton Electric C Line

Note: Greenway adapter frame 

There is as of 2025 a choice of small, large and basket bag for the Brompton Electric - they all carry the same size battery, but the small has less luggage storage capacity than the big one or the basket bag

Compatibility

This bag frame is compatible with the older Brompton BMZ battery and the newer Brompton Greenway Battery

This bag frame is compatible with the Brompton C Line Electric and the Brompton P Line Electric

This bag frame is not compatible with non-Electric Brompton folding bikes

This bag frame is not compatible with the Brompton G Line Electric

There is a Brompton logo on the back

Weight - 473g (on our scales)

The frame is released from the (Brompton Electric specific) front carrier block by pushing a button on the top of the frame (as opposed to pushing a lever on the carrier block itself like on the non-electric Brompton bike range)

We have made this video below about the Brompton Electric bag - small versus large, which includes how to remove and install the frame

In 2025 Brompton started rolling out the new battery introduced with the G Line to C Line and P Line Electric bikes

To help with understanding the compatibility between bag frames and batteries we made the below video

Brompton Q part code: Q103673
Brompton part number: 9068944

Reviews

Grade 
15/04/2025

G line (Greenway) battery can be used on old M6L/ C Line

This frame is excellent, I have an electric G line with the new Brompton Greenway battery. This frame enables me to use this battery on my old 2018 M6L ( C line) electric bike. Also utilising the new G Line small bag or the old C line small bag. The old BMZ battery that was originally delivered with the M6L also just slots in, so effectively I have a spare battery for the C line to hot swap. The new G line battery has a more secure clip system which this frame integrates with. The big benefit of this clip is on those occasions when you hit a pot hole and the battery dislodges/faults have been virtually eliminated.
The new Greenway battery is also an upgrade on the BMZ battery I get about 25 miles at level 3 in comparison to 20 miles on the BMZ. The Greenway battery performs better on my standard circuit to the BMZ even when this was brand new. So this frame enabling compatibility between the old and new batteries is well worth it if you have access to the new 2025 Brompton Greenway battery for your old Brompton M6L/C line Electric.
As usual Brilliant Bikes service was Brilliant!

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    Brompton Electric adapter frame for small bag

    Brompton Electric adapter frame for small bag

    Brompton Electric adapter frame for small bag

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    Data sheet

    OriginUnited Kingdom
    Comm Code87149990