Originally Posted by
Jude
Hm interesting. I'm already at about 100 PSI. I'll have to look into what fat road tires I can get for 27 inch wheels
Lots. But the problem will be the clearance on your frame and forks.
The best answer, when you have cash, could be a cyclocross bike - a toughened up road bike that can take tyres of at least 35mm and often past 40mm.