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Brompton SA sprocket set 14T for any 3 spline Sturmey Archer

QRSPRSTACK-SA3-14

Brompton

Running a Brompton / Sturmey Archer rear hub with 14 teeth and worn out the teeth on your rear sprockets?

Then this is the replacement kit for you - unless you have a BWR hub, in which case you need the BWR stack.

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We have 24 in stock

£12.50

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14T Sturmey Archer sprocket set

For 3-speed Brompton hubs with ISO splines (that means you have 3 grooves in the hub and they were normally brown/black in colour, but recent models are silver)

Now in silver (it used to be brown / black) with a thinner sprocket and built in spacer

Tools required:

  • 15mm spanner for wheel removal / installation
  • Small flat head screwdriver for sprocket (and circlip) removal / installation

How to remove your existing sprocket

How to install the new sprocket

Chain size:

When changing the sprocket you should also change the chain

For this sprocket you need a 3/32" chain in one of the following lengths (depending upon the number of teeth on the front chainring):

44 teeth - 96 links - QCHAIN096DR
50 teeth - 98 links - QCHAIN098DR
54 teeth - 100 links - QCHAIN100DR 

Brompton part number history

Brompton 2021 Q part code: Q101617
Brompton Q part code: QRSPRSTACK-SA3-14
Brompton part number: 9024186 

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Brompton SA sprocket set 14T for any 3 spline Sturmey Archer

Brompton SA sprocket set 14T for any 3 spline Sturmey Archer

Running a Brompton / Sturmey Archer rear hub with 14 teeth and worn out the teeth on your rear sprockets?

Then this is the replacement kit for you - unless you have a BWR hub, in which case you need the BWR stack.

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Data sheet

OriginTaiwan
Comm Code87149990