Sooo, are the handlebars themselves the problem or do you just need to adjust your position on the bike, or use a different style tape/padding, gloves maybe?? If you want new bars thats cool too but that may not solve your issue.
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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