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Sept. 20, 2019, 4:37 p.m. -  Andrew Major

23-24psi in what tire - size and casing? I’m ~185lbs. Pressure depends on setup. Speaking to the tires on this bike (29x2.8” dual ply front / 29x2.6” reinforced sidewall rear on i39) I was running ~17/18psi front and 19/20psi rear.  Similar casings but a smaller size tire - say 2.4” on an i30 - I’d be running somewhere in the 23-25 range depending on the exact setup. If I go to lighter sidewalls the pressure goes up from there. I find I generally am running >2+ psi more front and rear on my suspension bike. Higher speeds, traction is less premium, and I dent rims if I go too low (before the bike feels squirrely I start wrecking stuff).

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