I had to shift my wald folding baskets back a fair bit on my rack so that I wouldn't kick them, so now they're maybe only 2/3 to 3/4 at most on the rack, but they still seem to be able to hold all the weight without problem.
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Bikes: 1996 Eddy Merckx Titanium EX, 1989/90 Colnago Super(issimo?) Piu(?), 1990 Concorde Aquila(hit by car while riding), others in build queue "when I get the time"