>>1286557>>1286569If only they specified the vertical height of the tyre, but lile you say it probanly depends on too many parameters. Pumped up i could just about get a fag paper between it. I've ordered some conti 4000s 23mm for now but i'll go round a few shops and see what wider tyres might fit, because for one brief ride it did feel a bit more comfortable and the rest of the frame can take it. Maybe wider wheels or different inner tubes