Acceptable dirt bike tire air pressures range from a low five psi, up to 20 psi, and even 30 psi for dual purpose bikes on paved roads ridden at high speed. Read more: The 15 Most Reliable SUVs Of ...

They took a Pirelli winter tire and ran it through a series of tests, evaluating its snow traction, snow braking, snow handling, ice traction and ice braking starting at 50 psi and working their ...