Anyone here have an idea as to who manufactures the Brompton rim? Like other Brompton components I'm guessing it's available somewhere at half the price under a different name, but so far I've not found it.

It looks rather similar to these:
http://www.sjscycles.co.uk/budget-20...ole-prod23894/
http://www.sjscycles.co.uk/budget-16...ole-prod23892/
but sjs don't have one in the 349 size.