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QRETSET6SR-6BWR
This is a Brompton retro-fit to upgrade your 6 speed SRAM hub / derailleur combination to the Sturmey Archer / Brompton BWR hub gear - giving you a wider range of gears.
Discontinued
Warning: Last few in stock!
Availability date:
This kit is makes the assumption that your existing cables / triggers / chain are in good condition - if you need to upgrade them, please feel free to contact us.
The rear sprockets supplied with the kit are the same as in the set QRSRPSTACK-BWR6, which is:
13 tooth, 3.1 mm wide
16 tooth, 1.8 mm wide
They have a Shimano spline fitting (as used on the Brompton / Sturmey Archer BWR wheel)
Wheel nuts are included
A new chain is also supplied (this is a QCCHAIN100DR to fit a 50 tooth front chain ring, if you have 44t then you can either remove 2 links or ask us for a 98 link chain. If you have a 54T chain ring then please ask for a 102 link chain)
A new gear cable anchor is also supplied (as this has a different size thread on the Sturmey Archer compared to the SRAM)
Brompton Q part code: QRETSET36SR->6BWR
Brompton part number: 9040117
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