Bridgestone B381 tire model comes in 2 tire sizes. Check Bridgestone B381 tire pressure chart to find maximum tire load capacity and its specified tire inflation based on your Bridgestone B381 tire size. Remember that tire pressure psi value printed on Bridgestone B381 tire sidewall is its maximum tire pressure that Bridgestone B381 tire can be inflated to at its corresponding maximum weight capacity, and not a recommended tire pressure setting for your vehicle.
Keep in mind that Bridgestone B381 tires can naturally lose 1 to 2 psi of air pressure monthly, so check your Bridgestone B381 tire pressure regularly to keep tires properly inflated.
Tire pressure is also affected by changes in outside temperature. As a rule, tire pressure for Bridgestone B381 tires will drop by about 1 psi for every 10 degrees Fahrenheit drop in atmospheric temperature. Maintain proper Bridgestone B381 winter tire pressure by compensating air pressure to your vehicle's recommended tire pressure levels.