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11.11.2015 – Bag and Sorts15759
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Brompton S Bag w/ Black Flap

4.44 out of 5 based on 9 customer ratings
(9 customer reviews)


Designed for use with all handlebar types, the S Bag is a large capacity messenger bag ideal for everything from the daily commute to weekend escapes further afield, with the added benefit of a removable front flap for when you fancy changing your look.

In stock

SKU: QSB-BK. Categories: , .

Product Description

Designed for use with all handlebar types, the S Bag is a large capacity messenger bag ideal for everything from the daily commute to weekend escapes further afield, with the added benefit of a removable front flap for when you fancy changing your look. The main compartment, containing a suspended laptop holder, is joined by a large front pocket with a water-resistant zip and two improved rear pockets for easy access to a water bottle, your phone or any other essentials.

The S Bag is constructed from a durable, hard-wearing Cordura fabric and has a padded, quick-release shoulder strap that tucks away into a dedicated side pocket while you’re riding. There’s even an integrated high-visibility rain cover with reflective band, perfect for unexpected showers and night time rides.

Capacity 20 litres

Updated for 2016, the S Bag now comes with a choice of three interchangeable front flaps to complement both your Brompton and your own look: bold Lagoon Blue for maximum impact, striking Lime Green for eye-catching appeal, or stealthy all-black for an elegant simplicity. Whether attached to your Brompton or taken with you about town, the S Bag really is a versatile and stylish all-rounder.

Why not treat yourself to an S Bag flap in a new colour?

Additional Information

9 reviews for Brompton S Bag w/ Black Flap

  1. 5 out of 5


    Very pleased with the bag, good size for all the essentials for the commute. Took a while to find the integrated raincover nicely tucked away in a dedicated zip pocket on side at the back of the bag.

    Good fit to the bike using the front carrier block which was easy to fit.

    Enjoying commuting without the rucksack.

  2. 4 out of 5


    Extremely robust and useable bag. Perfect size for commuting. I also have an O bag but find the S bag more convenient when carrying off the bike and the zip pockets are easier to access. The only downside is that the O bag has better waterproofing, although the S bag comes with a cover which has kept everything dry even in monsoon conditions. I have had two S bags and the only issue I have experienced is with the zip pulls which have broken on both pockets. This is the only reason I have given the bag 4 as opposed to 5 stars.

  3. 4 out of 5


    I’ve had the s-bag for a while now and it’s lasted well (longer than my first Brompton): it’s a good size, sturdy and practical. I can usually fit all I need in it, including a laptop and a (smallish) sports kit, for example, The outside and back pockets are handy for storing tools, the waterproof cover, spare inner tube, umbrella, etc. The only downsides relate to waterproofing: I wish I’d got the one with a waterproof flap to save having to use the waterproof cover when it’s only raining lightly. And the waterproof cover fits poorly, gets mucky quickly and doesn’t stay very waterproof for very long. All in all a pretty good bag, though.

  4. 5 out of 5


    The S-bag is everything I need. I have been using it for a few months now and it has been faultless throughout. Beautifully designed with the lightweight aluminium frame, reliable quick release and spacious compartments. One thing that stands out (literally!) is the lime green lining inside the main compartment, this is not only a trendy contrast but a hugely practical feature, anything small and dark becomes easily visible at the bottom of the bag, unlike other bags with have dark linings.

    It is also durable as well as it has had a few knocks over the short time and the mounting block/quick release is always reliable and robust.

    An ‘awesome bag’ and it was free when I got the bike with a Brompton voucher !

  5. 4 out of 5

    (verified owner):

    Beautifully crafted bag and very practical, but the removable flap is attached with Velcro and this is concern. Also, need to be clearer as what it comes with (i.e. frame but no rain cover). Overall very good value for the price.

  6. 3 out of 5


    I’ve had an s-bag for a while now (having kept it when I got a new Brompton) and I’m happy with it. It’s durable, a good size, has plenty of storage for tools, spares, rain-cover, etc. It’s not the most comfortable to carry off the bike, but I guess that’s true of all bags with a frame to fit the front block. I wish I’d gone for the one with the hose flap, which might provide some protection in light rain. The rain-cover doesn’t fit brilliantly, is a bit of a faff and doesn’t stay waterproof for very long. Aside from all those complaints, it’s great and reasonably good value.

  7. 5 out of 5

    (verified owner):

    Really nicely made bag. A lot of thought has gone into this bag, well placed compartments of good size with easy to use zips. Bright interior looks good and makes finding things easier,a very practical bag. I couldn’t find the rain cover at first, it’s so well hidden in a compartment behind another compartment on the 2016 bag. I also purchased the fire hose flap which went straight on and stayed there. Now my S bag is practical and stylish, should have bought the fire flap version to start with!

  8. 5 out of 5


    Great bag, good for all the commuting essentials with good pockets and compartments.

    Fits very securely with the front carrier block and no more sweaty back arriving at the office.

    Took a while to find the rain cover tucked away in a dedicated pocket which is a nice touch.

  9. 5 out of 5

    (verified owner):

    Bought this bag as I had the previous model before, which unfortunately got stolen. Great bag with lots of storing space. Very solid and sturdy bag that fits beautifully on the Brompton. I use the bag all the time, also when not on the Brompton. Would definitely recommend this bag.

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