2-Pack of 16x6.50-8 16x650-8 16x7.50-8 16x750-8 BUTYL Rubber Inner Tubes,TR13 Straight Valve Stem,High Air Tightness，for Lawn Mower, Golf Cart,Tractor,Farm Tractor,Wheelbarrow,ATV and More

What It Is

This is a 2-pack of butyl rubber inner tubes designed to replace or repair pneumatic tires on equipment like lawn mowers, golf carts, tractors, wheelbarrows, and ATVs. Each tube has a TR13 straight valve stem and is built for high air tightness to reduce slow leaks.

Fitment & Compatibility

Before buying, check your tire’s sidewall for the exact size: these tubes fit 16x6.50-8, 16x6.5-8, 16x7.50-8, and 16x7.5-8 tires. The tire’s rim diameter must be 8 inches. The TR13 valve stem is straight (not angled) and works with most standard rims—verify your rim’s valve hole isn’t recessed or angled, as that may require a different stem. These are universal aftermarket tubes, not OEM-specific, so they should fit any brand of tire in these sizes.

Key Things to Know

• Butyl rubber quality: Butyl holds air better than natural rubber and resists ozone cracking, but these are still budget tubes—inspect for thin spots or molding flash before mounting.
• Installation difficulty: Moderate. You’ll need tire spoons or levers to break the bead, and a small amount of tire lube or soapy water helps avoid pinching. Over-inflating before seating can cause the tube to bulge or get trapped.
• Common gotcha: The TR13 stem is about 1.5 inches long—if your rim has deep center holes or thick hubs, it may not protrude enough for a pump chuck. Measure your rim’s valve stem hole depth first.
• Two-pack value: At $15.88, it’s cheaper per tube than single retail, but verify your mower or cart uses two tubes of this size—many zero-turns and garden tractors do.

Should You Buy It

Buy these if you need a reliable, airtight replacement for a 16x6.50-8 or 16x7.50-8 tire on a mower, cart, or small tractor, and you’re comfortable with basic tire work. Avoid if your rim requires an angled or longer valve stem, or if you need a heavy-duty tube for high-speed ATV use—these are best for low-speed, lawn-grade applications.