What kind of pressure do you run in your 25s and 23s? The Rolf folks say never to put in more than 120 lbs. when using their high-zoot tandem wheels, regardless of what kind of tire you're running. And what about the size of the rim? I understand from posts on other threads that some tandem rims are too wide for 23s. I hope this isn't a problem with the Rolfs.