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Old 04-29-10 | 04:31 PM
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tarwheel
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Joined: May 2007
Posts: 8,896
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From: Raleigh, NC

Bikes: Waterford RST-22, Bob Jackson World Tour, Ritchey Breakaway Cross, Soma Saga, De Bernardi SL, Specialized Sequoia

My theory is that the differences are due to changes in the tire diameter from varying temperatures and air pressures. The distances on my computer seem to be getting shorter as the days get warmer.
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