Joined: Jul 2002
Posts: 40,863
Likes: 3,115
From: Sacramento, California, USA
Bikes: Specialized Tarmac, Canyon Exceed, Specialized Transition, Ellsworth Roots, Ridley Excalibur
I'm guessing you can minimize the corrosion effect by really greasing up seat post and inside of the tube. And take it out and regrease fairly regularly. If you live in a dry climate and you don't sweat much, maybe it's not as big a deal too.