SIMEIQI 14.5" 3.50-8 Solid Flat-Free Tire and Wheel - 5/8" Axle Bore, PU Foam, 3.2" Tread

The SIMEIQI 14.5" 3.50-8 solid flat-free tire and wheel is a puncture-proof polyurethane replacement wheel with universal adapter parts to fit 3/4" and 5/8" bearing hubs for yard carts, garden wagons and wheelbarrows.

Replace worn pneumatic wheels with a maintenance-free solid alternative built to endure garden work and heavy loads. This assembly measures 14.5" in diameter with a 3.2" tread width and a 5/8" axle bore, while the included bearings and nylon spacers let you adapt to common hub sizes. Its PU foam construction mimics some comfort of air-filled tires but stays flat-free and weather resistant for seasons of use.

Will this tire fit my cart, wagon or wheelbarrow?

Compatibility is broad: the wheel is sized to substitute several common small-vehicle tires. Check your current tire diameter and axle bore to confirm fit, and use the supplied bearings and spacers when needed.

• Actual tire diameter: 14.5"; nominal size 3.50-8 compatible with 4.80/4.00-8 and similar.
• Tread width: 3.2"; fits hubs designed for 13"–16" tires.
• Axle bore: 5/8" standard; two 3/4" bearings and four nylon spacers included to adapt hub variance.

How durable and maintenance-free is the wheel?

The wheel uses resilient polyurethane foam that resists wear, weather and punctures. With no inner tube to repair, you won’t need patch kits or inflation checks — just install and use.

• PU foam construction for long-lasting wear resistance.
• Flat-free design eliminates punctures and air leaks.
• UV- and water-resistant materials keep shape and performance outdoors.

What’s included and how do I adapt the fit?

The package contains the mounted solid tire and wheel plus hardware to match common hubs. The adapter parts let you center the hub and change bearing sizes without machining or complicated tools.

• One 14.5" x 3.50-8 solid tire and wheel assembly with 5/8" axle bore.
• Two 3/4" bearings for hubs that require the larger inner race.
• Four nylon spacers (0.5" and 1.5" widths) to fine-tune hub length and centering.

How does ride comfort compare to a pneumatic tire?

PU foam offers a firmer ride than air-filled tires but still absorbs shocks better than hard plastic wheels. The feel is stable under load and consistent across varied terrain without pressure management.

• Firm but shock-absorbing PU foam reduces jarring on rough ground.
• Stable tracking under heavy loads—no bounce from changing air pressure.
• No need for inflation—consistent performance all season long.

Who is this for: Home gardeners, landscapers and small-farm owners who need a low-maintenance, puncture-proof wheel for wheelbarrows, garden carts, wagons or utility trailers will appreciate this SIMEIQI solid tire and wheel. It’s especially useful where thorny terrain, frequent nail or glass exposure, or long equipment downtime make pneumatic tires impractical. If you want a rugged retrofit that fits many 13"–16" tire setups and includes the adapters to make installation straightforward, this assembly is designed for you.