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QRW2SS
This is a single / two speed Brompton rear wheel (to get two speed you need a derailleur) - new 2013 double walled rim model.
Yes - the same wheel is used for both - it's the choice of sprockets which determines the number of gears.
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Brompton 1 or 2 speed rear wheel for all models of Brompton folding bikes complete with rim tape and fixings
The same wheel is used for the Brompton single and two speed rear wheel.
A different stack of sprockets / spacers is required based upon which configuration you need for the weel.
For a single speed Brompton use the single 12T sprocket set - QRSPRSTACK-BB1
For a two speed Brompton use the double 12T / 16T sprocket set - QRSPRSTACK-BB2
In addition, you will need wheel nuts - they are not supplied - as you could potentially use the old ones if you are replacing the same wheel type. The wheel nuts for the single / two speed Brompton rear wheel have the code QRW2NB.
This wheel (hub) uses Shimano style splines for the sprockets - so with the correct spacers / chain length you could use different sprocket sizes if required. Though as standard the single speed uses 12T and the two speed uses a 12T / 16T combination.
Brompton Q part code: QRW2SS
Brompton part number: 9025022
The wheel weighs approximately 800g
The rim is a double wall straight drilled rim and has 28 Spokes
The spokes (in case you need spares) are QSPOK-151-DB-14G - Double butted with two cross lacing
Valve hole designed for 8mm Schrader / car type valve
Bearing information:
The Brompton two speed hub uses:
6900-2RS in the non-drive side
6901-2RS in the drive side
And in the freewheel body:
6900-2RS
6000-2RS
The below video shows how to install a 2 sprocket set on this wheel
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Origin | UK |
Comm Code | 87149990 |
Wheel front / rear | Rear |
Wheel rim colour | Silver |
Wheel hub colour | Silver |
Wheel valve type | Schrader / car type |