Calfee uses fiberglass to isolate the carbon aluminum interface,which prvents galvanic corrosion.
The Luna used Al in the BB shell and headtube to reduce cost,and over time it became clear that this technique was working out.When the Dragonfly was introduced,the weightsavings of aluminum gave it the nod. I'm pretty sure that later on,large tetra headtubes were aluminum to save weight,but I may be wrong about that.
I have a Luna,and I assure you the BB and headtube are aluminum. Some consider the Tetra the pinnacle product,but others consider the dragonfly the flagship.In the end,it is up to the buyer as to which frame speaks to them.
I really like the sculpted lugs on the Dragonfly...Anf the Ti BB of the Tetra. That said,my Luna rocks and is far better than I.
dan
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Re: Carbon and Al in Calfees?
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