Originally Posted by
drewtk
Plastic levers will be fine. I’ve never had a problem using them on my carbon wheels. The best thing I ever learned was to reinstall the tire without having to use a lever. You simply squeeze the tire around the rim to place it into the center channel of the rim; push more of the remaining tire onto the rim; then keep repeating until the tire is fully installed. Takes a little patience but works for me every time.
This. I've never had to use levers. For brand new tires, I lay them out in the sun for a while, def helps with the first mounting.