Interesting.

I have rebuilt probably more than 100 bikes - many of them that have been left in the rain for months at a time. Most of the bikes I work on have old style BBs not sealed cartidges.

Sometimes you will get a bearing set that has rusted and needs replacement, but those are usually 20+ year old bikes. I find it curious that this is a persistant problem with TREK. What is unique about Trek that makes them vulnerable to water damage?

Most bikes have a hole in the bottom stay tube that allows drainage and helps dry out the inside of the bike. Is this not part of your bikes design?