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hippy
@Dammit
I run my 28's at 50 PSI rear, 45 PSI front, I'm currently 82kg.
I check the pressure roughly every two days, and they've normally dropped by roughly what I'd expect a latex tube to drop in that time (~5 PSI).
Losing the inner tube drops rolling resistance (it is my understanding) by removing the friction between inner and outer, and allowing a lower pressure (not sure on the mechanics of this latter part, but I am sure someone else will be).