I don't understand why you would buy a donor bike off ebay with a 600 group. I could understand buying something with a more unique group like a Mavic or a complete Zeus but vanilla 600?
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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