Nov design US flag easy wheel set for Brompton folding bike.
Weight: 81g (+/-1g)
They are compatible with Nov design L-type adaptor which shown in the last photo.
Video for assembly Nov easy wheel set:
It is just demonstrating, please make sure you use proper tools to tie the bolts/nuts. Make sure they are screw tightly.
NOV DESIGN, easy wheel set, mudguards / stays / fittings$42.00
NOV DESIGN, mudguards / stays / fittings$89.00