Assuming you have a drilled fork, you can use a cross-top or "Dirty Harry"-style lever with a caliper brake, you'll only need to undo 2 allen keys to remove it and a pair of wheels is reasonably transportable on a courier bag.
@Emyr started
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Assuming you have a drilled fork, you can use a cross-top or "Dirty Harry"-style lever with a caliper brake, you'll only need to undo 2 allen keys to remove it and a pair of wheels is reasonably transportable on a courier bag.