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.

The 15.5-ft (4.7-m)-long Trail Dog gets a steel welded frame, 1.5-inch aluminum walls with insulation, Timbren axle-less suspension, and Pro Comp all-terrain tires on alloy wheels. A 360-degree ...