His Brain is Gone!
Join Date: Sep 2006
Location: Paoli, Wisconsin
Posts: 9,979
Bikes: RANS Stratus, Bridgestone CB-1, Trek 7600, Sun EZ-Rider AX, Fuji Absolute 1.0, Cayne Rambler 3
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I've been told that they use much lighter, thinner rims on ascents than they do for descents. That they lighten the rotational mass as much as possible for going uphill and have to add weight elsewhere on the bike to meet the 15 pound requirement.
They wouldn't use this thin, fragile rim for a downhill run.
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"Too often I would hear men boast of the miles covered that day, rarely of what they had seen." Louis L'Amour
There are two types of road bikers: bikers who are faster than me, and me. Bruce Cameron - Denver Post