My old specailized mountian shoes would cause my feet to fall asleep even though they were the right size for walking. when I switched to diadora road shoes I got them a whole size larger since they are all around stiffer. problem solved.
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2010 Kestrel RT900SL, 800k carbon, chorus/record, speedplay, zonda
2000 litespeed Unicoi Ti, XTR,XT, Campy crank, time atac, carbon forks