Trek FX+ 2

Tire Pressure Calculator & PSI Guide

Specifications

Tire Size
700x40c
PSI Range
5080 PSI
Bike Weight
48 lbs
Tire Construction
Standard

Quick Reference PSI Table

Quick estimates for pavement with tubed tires. For your exact weight and riding conditions,use the calculator.

ScenarioFront PSIRear PSI
Light rider, pavement5252
Average rider, pavement5252
Heavy rider, pavement5252
Average rider + 40 lb cargo5252
Average rider, mixed terrain5252
Average rider, dirt trails5252

Surface: Pavement (reduce 10-30% for mixed/dirt/snow)

Construction: Tubed (tubeless: -1 PSI, reinforced: +2 PSI)

Get Personalized PSI Recommendations

Calculate exact tire pressure based on your weight, cargo, and riding conditions.

Open Calculator for This Bike

Frequently Asked Questions

What is the recommended tire pressure for Trek FX+ 2?

The recommended tire pressure for Trek FX+ 2 depends on rider weight, cargo, and terrain. For an average 180 lb rider on pavement with tubed tires (700x40c), front tire should be around 52 PSI and rear around 52 PSI. Always stay within the tire's 50-80 PSI range marked on the sidewall.

What tire size does the Trek FX+ 2 use?

The Trek FX+ 2 comes stock with 700x40c tires. The sidewall max is 80 PSI and minimum is 50 PSI.

How much does the Trek FX+ 2 weigh?

The Trek FX+ 2 weighs approximately 48 lbs. This bike weight is factored into our PSI calculations along with rider weight, cargo, and terrain.

Should I adjust tire pressure for different terrain?

Yes! Lower your tire pressure by 8-15% for mixed terrain and gravel, and up to 30% for soft surfaces like sand or snow. This increases traction and comfort. Use our calculator above to get exact recommendations for your riding conditions.