Joined: Jan 2009
Posts: 44,193
Likes: 6,428
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
I take a guess at what pressure risks bottoming out on my rims. Let's say that's 30 psi with 32mm tires. 40 psi is the pressure I want to ride at. Then I inflate to 50 psi, because the tires will seep air, and I don't want to reinflate frequently. When it feels like I'm below 40 psi, I reinflate.