Firestone 540-773 Heavy Duty Inner Tube 16.00R20/21 with SP1000 Valve

The Firestone 540-773 is a premium quality natural rubber inner tube designed for heavy-duty off-the-road applications. Engineered to fit 16.00R20 and 16.00R21 tire sizes, this tube is suitable for use in both radial and bias ply tires on industrial equipment, graders, and other large construction machinery.

Key Features:

• Made in the USA with high-quality natural rubber construction for superior durability and air retention
• SP1000 valve stem (spud only design) for reliable inflation and pressure maintenance
• Compatible with both radial and bias tire applications
• Designed to stretch and conform to tire cavity for proper fit
• Built to withstand the demanding conditions of industrial and off-road use

Firestone inner tubes are manufactured to exacting standards and provide dependable performance in the toughest working environments. This tube is ideal for loader, grader, and other heavy equipment applications requiring 16.00R20 or 16.00R21 tire sizes.