Functional bikes. Not Porn not Anti

I use this calculator and it made a big difference for me.
Even with 23c front and 25c rear it feels comfortable and fast.
try it and see if it works for you.

http://www.dorkypantsr.us/bike-tire-pressure-calculator.html

Wow, that's giving me a mad front to rear pressure difference, 70f to 110r.... I'd be worried about pinch flats with that sort of front pressure... but i'll give it a go out of interest