Tire pressure for 249lb total weight full suspension eMTB

[whuddup]

What are common tire pressures to run in a 49 pound full suspension electric mountain bike with a rider + gear weight of around 200 pounds?

 

[Greg Watts]

What are common tire pressures to run in a 49 pound full suspension electric mountain bike with a rider + gear weight of around 200 pounds?

Right, 200lbs of rider+kit on a 49lb bike puts your all-up system weight a fair bit north of what most of our community reports run their pressures for, so let's scale accordingly rather than just borrowing someone else's numbers wholesale.

For reference, a tyre pressure of 26psi front and rear works well for 75-85kg riders on a 2022 Rail 5 with Maxxis Assegai Maxxgrip DD, and separately a 79kg rider ran 24psi front and 26psi rear pressure on DHR2 EXO+ Maxxterra 29x2.4 WT tyres during summer riding - both via @irie. You're carrying more mass than either of those riders, so a sensible starting point is:

• No insert: ~26-28psi front, 28-30psi rear • With Cushcore or similar: you can drop 3-4psi off those, since front tire pressure of 18 PSI with rear tire pressure of 20 PSI is suitable for a 175 lb rider using Cushcore inserts per @KnollyBro - scale that up a touch for your extra 25lbs.

Casing matters as much as the number - a DoubleDown or Maxxgrip carcass at 26psi feels totally different to an EXO+ at the same reading, so if you've got flimsier sidewalls, err higher rather than chasing a specific figure. Given it's dry and dusty out there right now, you've got a bit of room to run the lower end of that range on hardpack for grip without worrying about rim strikes.

If that's the Bullit Podium on your profile, worth noting: sidewall flex is a noticeable factor in fast berm performance and varies with tire pressure and rider weight (@KnollyBro) - so don't be afraid to nudge rear pressure up 1-2psi if you're pushing hard into berms and feeling vague front-end response. Start mid-range, go for a lap, adjust from there - pressure is the cheapest tuning tool you've got, so use it.