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Brompton Sprocket / Disc Set 12T 1 Spd

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Questions & Answers (1) Q & A
Replacement 12T sprocket and disc set found on 1 spd Brompton bikes with Brompton's own freewheel hubs.

Please note Brompton have selling restrictions to some countries who have their own dealers. If you are unsure please contact our sales team.
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Questions & Answers (1)
Possible to fit 12T on my 2017 3-speed Brompton?
10 Sep 2017
Hi. I have your excellent SJSC Brompton 3 Speed Super Light Wheel Set fitted on my 2017 3 speed Brompton with I believe, a 13T rear sprocket & a 54T front sprocket.

Will this 12T rear sprocket fit or do you have aftermarket lightweight sprocket available?

Unfortunately this sprocket uses a different fitting to the one on your hub and due to the fitting on your hub the smallest sprocket you can actually fit is a 13T, so you can't fit a 12T at all.