Souplesse Casings and Bike Soup - The Tire Thread

I generally fancy myself to be reasonably competent at installing tires, but these Schwalbe G-One Speeds (40-584) are infuriating.

The front set up tubeless without a problem on a Velocity A23. For the back, I’ve tried two tires on two different rims (A23 and VO), and they will not seat evenly, either tubeless or with a tube. There’s a low spot that’s dramatic enough that I feel a bump every rotation when riding. I’ve set of the non-Speed G-Ones in both 650b and 700c sizes without any memorable issues.

Am I doing something wrong? Any tricks to get it to fully seat? Is there a bad batch of these?


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