I wanted to try a longer stem and bought one on sale. I didn't want the 3T logo or team graphics. It looked like this:




I used fingernail polish remover, which is mostly acetone, and rubbed off the graphics with cotton pads and then a paper towel. They came right off, took less than 10 minutes. I kept some of the smaller graphics (model and length), and covered them with electrical tape to protect them. The acetone cuts the adhesive on the tape, though, so I had to hold the tape down and use caution. The stem looks good to me:




I put this up in case it might be useful. I saw a demo of this on YouTube, and no doubt it has been discussed here at Bike Forums too.