205lb rider plus 17lb bike puts me at around 100 kilos all in. 85 psi rear 75 psi front when riding Challenge Parigi-Roubaix. 100/85 when riding Schwab One 700x25 and 95/80 when running Vittoria CX EVO iii 700x25. Latex tubes.
Life is too short to run cheap rubber. Never had a pinch flat.