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Old 07-04-16 | 08:51 PM
  #18  
HillRider
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Joined: Aug 2005
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From: Pittsburgh, PA

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

Originally Posted by fietsbob
Carbon and Zinc are what makes a dry cell Battery.. 7000 series aluminum contains a % of Zn,
That's a very poor analogy but a layer of fiberglass in the joint prevents electrolytic corrosion in carbon tubes bonded to aluminum lugs. The presence of a low level of Zinc is not a factor.
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