Originally Posted by DocRay
Because they are professionals and are not going to risk their lives and careers on trendy parts. The team knows damn well that several CF parts weigh the same as aluminum, but will not fail completely when stressed. Voight used an all ally bike on Fleche and Paris-Nice. The only non-ally parts were the CF Zipp rims.
And how many TDF riders used cf rims on those fast and difficult decents? Not many if any is my bet.