Bicycle Addict
Retro Guru
Re:
I ran 26 X 1.5's at 80 psi, that was down from 100 psi, 80 psi is quite goodmost fast road 700c tyres start at 100 psi, so with the OP wanting to run 700c for fitness I took that he was meaning Roadbike type tyres.
Running tyres at a higher pressure like 80psi means there is minimal tyre compression under rider weight so you get more tyre on the road, therefore more rolling resistance, higher pressure = less tyre on road so less rolling resiistance, more speed. Yay!
I ran 26 X 1.5's at 80 psi, that was down from 100 psi, 80 psi is quite goodmost fast road 700c tyres start at 100 psi, so with the OP wanting to run 700c for fitness I took that he was meaning Roadbike type tyres.
Running tyres at a higher pressure like 80psi means there is minimal tyre compression under rider weight so you get more tyre on the road, therefore more rolling resistance, higher pressure = less tyre on road so less rolling resiistance, more speed. Yay!