Tubes won't stay inflated

Edit Subject

Which tubes and how quickly do they deflate, from what pressure to what pressure over what time period? When the tubes are inflated to 80 psi they can deflate to 40 psi in a week or so just sitting there.

My tubes are stock tires/tubes for the 8R. I filled them up to 80 psi and when I got ready to ride about 2 hours later one was at 30 psi. My tires are new with only three striding trips on them.

Tires and tubes should be removed to be checked for a slow leak, could be some sharp debris hidden in the tire, or check the Schrader valve core, maybe it's loose.

I own 1 now & LOVE IT, its got some bugs, but its a whole new concept, if i wanted bullet proof id get out a 1960z raleigh w a Sturmy Archer hub!!!
Try slime n your tubes, have your bike shop put good quality rim tape, check 4 loose spokes, if the problem continues Id rec replace the tubes, run your thumb on the inside rim well 2 check 4 sharp edges or stripped spoke nipples.