Originally Posted by lordra

I ride a Discover & i filled 32 in front and 37 in the rear, and after 2 & a half months I went back and the pressure had fallesn drastically to just 22 in front and 33 in the rear. I refilled on the 24th of Dec 08. Now I will go again on the 24th of this month and check tyre pressure. It doesnt last for 4-6 months, NO WAY. & I dont use my bike much, I avoid potholes as much as possible, and both the tires have a cap on the valves.