Quote Originally Posted by caligurl
good point... i ASSUMED road tires... since that what i ride 99% of the time! so my 120 psi recommended tires (700X23) i run at 100 for a nicer ride! (and for my size, too.... no need for me to have 120 psi in my tires!)

my mtb tires.... hmmmmm.... my bad.... i have NO IDEA what is in them.... i ride it so rarely... and i have hubby take care of the air! but they are at less than recommended psi, too!
LOL - dont do what I did and assume mtb tyres need to be super pumped like your road ones. I couldnt work out why my front wheel kept coming off the ground on hills when moutain biking (just assumed it was bad form on my part). I went riding with SK and she had a feel of my tyres and said hey they have way too much air in them. Dropped it down a tad and what do you know that front wheel didnt come up as soon as I hit a tree root on a climb. YIPEE

So what did I learn from this - different types of mountain biking require different air pressure in those tyres.