Folding? Think about MKS EZY superior QR, they remove quickly , then tye them to the bike.
http://www.mkspedal.com/English/catalog4.htm
there is nothing 'great' in the folding pedals for that little money
Brompton use big bearings, R/L same pedal , if you want 2 get the RH thread core, that is made in LH standard,
RH does not have to fold on their bikes { I got a replacement for my left pedal when it developed a hairline crack, company mailed it from England)
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