We have one very nice tire for this 'nbetweener' wheel size currently. As a consumer, which direct would you like the next 650B to take? Lightweight XC, a midrange alrounder, or what? Examples are great. I believe Pacenti has a winning tire with the Neo-Moto, and probalby won't use anything else for a long time, but only time will tell. As for me, I'm sold on the 2.3" . Anyone can post a reply to this post, and we'd love to hear from you!