Szinte hihetetlen, hogy ez a valami egy Colnago C40-esből jött ki. A fehér por ami kijön az mind alu volt egykoron.
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@ Burgermeister íme:
Ever seen cracking aluminum lugs, broken dropouts, or a disintegrating headset on carbon-fiber frames, disintegrating spoke nipples in carbon rims?
Here is a table that shows what materials are more compatible than others, with carbon-fiber.
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What some bicycle manufacturers don't want you to know...
Whether aluminum lugs, dropouts, inserts on older carbon-fibre bikes, or aluminum spoke nipples in carbon rims, it's just not a good combination. Posts and pictures about, on disintegrating parts, on carbon frames.
Since Titanium is much more stable, and compatibie with CF, why don't bicycle manufacturers use that, in place of aluminum? The answer is probably planned obsolescence. Because knowledge in aerospace about the problems of this combination pre-dates the bicycle industry's widespread use of carbon-fiber.
Aluminum inserts are nothing but a cost-saving rip-off when used in your very expensive carbon-fiber bicycle frame:There is a 0.25V tension between Titanium and Graphite, but more than 1V between Aluminum alloys and Graphite. The chinese are proving that Titanium in parts isn't that expensive as bike makers would have us believe, yet, it seems like all of our CF framesets are made with built-in obsolescence.
Why tested in a saline solution? Sweat, de-icing salt in winter, air in coastal regions, salt dust, plus water when it rains, or salt in the water, will bridge a link over the insulator, dramatically accelerating galvanic corrosion. But this degradation of aluminum also happens without the presence of an electrolyte - just slower.
Szóval a végére: ha bárkinek van karbon kerója az télen vagy amikor sózzák az utakat jobb ha a szobában hagyja :) Vegyetek valami olcsó retro akármit, amiért nem fáj annyira a szívetek.
