Does anyone know if all 700C wheels can accommodate 700 X 23 or 700 X 35 tires?
If you've got a wheel that works well with a 700 X 23 tire, what's the biggest tire size you can choose?
It kind of depends on the width of the rim. They can vary from 18mm to over 25mm. I do know that the head mechanic for Rivendell emailed me when I had a similar question. He said he was able to use 19.5 mm wide Mavic Open Pro rims with their Jack Brown Tires which are 33.3 mm wide. I suspect this is about the limit. For 35mm wide tires, you'd probably want 22-25mm wide rims.
Unless you have a touring or cyclocross frame, a bigger issue might be whether fully inflated 30-35mm wide tires would rub against the seat stays or chain stays.
I have a cross frame, so fitting the tire in won't be a problem. I think I'm going to drop down to a 28 tube and tire because the rim is are only about 15mm across, I think. I'll double check. Maybe that's too narrow for even 28?