I never had one but when I was in the Boston area I knew a few guys who had coaster brake road bikes for winter beaters. no muss no fuss just hose it down once in awhile.
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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