HOLY COW that is huge seat bag! I used to have something like that years ago and the support bracket, but I am not sure where it ever went.
I am too much of a minimalist to haul such huge carpet bag around these days though
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk