Old 07-27-07, 01:35 AM
  #4  
LWaB
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Bikes: Early Cannondale tandem, '99 S&S Frezoni Audax, '65 Moulton Stowaway, '52 Claud Butler, TSR30, Brompton

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Carbon and aluminium is a fine battery, particularly when sweat is added. The current will break down the epoxy bonding the two pieces together. Degradation of the aluminium suggests galvanic corrosion (I know glavanic refers to metals only but near enough) is occuring.
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