Gator RC PU Copper Hub RC Airplane Wheels (Pair) | 4", 4.5" & 5"

Only 2 left
SKU: GRC-WHL-922
Regular price $41.95
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Gator RC PU Copper Hub RC Airplane Wheels

The Gator RC Polyurethane (PU) Copper Hub Wheel Set is designed to provide improved durability, wear resistance, and shock absorption compared to traditional rubber wheels. Polyurethane wheels offer a longer service life while resisting chemicals, oils, and grease that can damage conventional rubber wheels.

Featuring an upgraded PU formula and a copper pipe-reinforced wheel bore, these wheels are engineered for balanced operation and long-term reliability. The copper and aluminum hub assembly features an oxide sandblasted finish for a clean appearance and durable construction.

📏 Dynamic Size & Configuration Chart

Use the table below to cross-reference dimensions, weights, and axle sizes to ensure proper landing gear strut and wheel pant fitment for your airframe configuration:

Wheel Diameter Width Weight (Per Wheel) Axle Size
4" (102mm) 1.325" (33mm) 132g (4.66oz) 5mm (0.20")
4.5" (114mm) 1.50" (38mm) 155g (5.47oz) 5mm (0.20")
5" (127mm) 1.75" (44mm) 202g (7.13oz) 6mm (0.24")

⚙️ Performance & Material Architecture:

  • Upgraded PU Formula: Provides much higher wear resistance and longevity over conventional vulcanized rubber options.
  • Bore Reinforcement: Features a rugged copper pipe interior sleeve line to limit long-term ovaling and structural axle wear.
  • Premium Hybrid Hub: Precision copper and aluminum center construction ensures a completely force-balanced profile.
⚠ Axle & Setup Compatibility Note: Please note that the 4" and 4.5" variants feature a 5mm bore line, while the 5" variant steps up to a 6mm axle bore line. Ensure your landing gear axles match these specifications exactly or use appropriate step-down sleeves before installation.

Key Features

  • Advanced Polyurethane Engineering: Much more durable than traditional rubber wheels with built-in resistance to flight-line chemicals, oils, and glow/gas fuel grease residues.
  • Deflection Control: Highly specialized formula features excellent shock absorption characteristics to protect landing gear boxes during hard or unpaved landings.
  • Elite Finish Profile: Clean metallic styling treated with an advanced oxide sandblasted hub finish for continuous corrosion resistance.
  • Force-Balanced Geometry: Symmetrical molding minimizes tire runout, wobble, and vibration during high-speed takeoffs.

📦 Package Includes:

  • 1 Pair (2 Wheels) Gator RC PU Copper Hub Wheels

💡 Modeler’s Tips

When installing these wheels onto smooth steel axles, use a small file or dremel to grind a microscopic flat spot on the axle where your wheel collar set screws rest. Apply a drop of light machine oil inside the copper pipe-reinforced bore line before your first flight to guarantee friction-free, buttery-smooth rollout rotations.


The Gator-RC Advantage: We source a complete selection of matching high-quality hardware parts so you can stock your workspace from one reliable point. In stock and ready to ship out of our domestic warehouse.