Originally Posted by
cooker
He had already bought the wrong sized post, and discovered it was wrong, and multiple people advised him or her to check the size of the original post, or measure with calipers or at a bike shop, and not to try to fit a wrong post. Nobody gave bad advice.
Before I purchased the seatpost, I called a Trek dealership and was told the one I got was the one I needed. It's a shame I didn't just carry my bike in and get a little help to begin with. No one to blame but myself.