Leveled up while testing my new Stac Zero wheel weights. I originally intended just a quick pass through the hilly grove as a check on whether the extra wheel weight improves the trainer's feel, but when I noticed that I was close to achieving Level 9, I just kept going to the lower slopes of the Col du Zwift. I am am now more motivated, because Level 10 unlocks that map and lets me ride the jungle and Alpe du Zwift. The weights do help. The response is now smoother and the chunkiness that sometimes arose while spinning fast is gone. The next test will be to use a faster computer; the game and the trainer are not especially well synced, and I think that's because my tablet just doesn't have enough horsepower to keep up.