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Old 06-18-10 | 05:58 AM
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Road Fan
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Joined: Apr 2005
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From: Ann Arbor, MI

Bikes: 1980 Masi, 1984 Mondonico, 1984 Trek 610, 1980 Woodrup Giro, 2005 Mondonico Futura Leggera ELOS, 1967 PX10E, 1971 Peugeot UO-8

Thanks, Doug, I was thinking it was based on effective voltage matching the DC voltage, but then I thought maybe the halogen activity is affected by the polarity reversals.
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