Join Date: Sep 2003
Location: Sacramento CA
Bikes: Raleigh Grand Prix, Cervelo P3alu
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i rode 39x20 at hillsboro accidentally, I intended 39x18 but put the wrong wheels on the bike at home. I have ridden 39x19 at all the previous pdx races. I think its better to be undergeared than over geared. At the end of the race you will be faster, i think.
I would say 17 is stiff---but ofcourse it depends on your strength, I know its not unheard of for guys to run 39x17, im just not that strong.