{"product_id":"gator-rc-polyurethane-pu-copper-hub-wheel-set-various-sizes","title":"Gator RC PU Copper Hub RC Airplane Wheels (Pair) | 4\", 4.5\" \u0026 5\"","description":"\u003ch2 style=\"font-size: 1.8em; color: #1e293b; margin-bottom: 10px;\"\u003eGator RC PU Copper Hub RC Airplane Wheels\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 10px;\"\u003eThe \u003cstrong\u003eGator RC Polyurethane (PU) Copper Hub Wheel Set\u003c\/strong\u003e 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.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 15px;\"\u003eFeaturing 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.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px; color: #1f7a3a;\"\u003e📏 Dynamic Size \u0026amp; Configuration Chart\u003c\/h3\u003e\n\u003cp style=\"font-size: 0.9em; margin-bottom: 10px;\"\u003eUse 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:\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.85em;\"\u003e\n        \u003cthead\u003e\n            \u003ctr style=\"background: #f1f5f9;\"\u003e\n                \u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eWheel Diameter\u003c\/th\u003e\n                \u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eWidth\u003c\/th\u003e\n                \u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eWeight (Per Wheel)\u003c\/th\u003e\n                \u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eAxle Size\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e4\" (102mm)\u003c\/strong\u003e\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.325\" (33mm)\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e132g (4.66oz)\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e5mm (0.20\")\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e4.5\" (114mm)\u003c\/strong\u003e\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.50\" (38mm)\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e155g (5.47oz)\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e5mm (0.20\")\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e5\" (127mm)\u003c\/strong\u003e\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.75\" (44mm)\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e202g (7.13oz)\u003c\/td\u003e\n                \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e6mm (0.24\")\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background-color: #f8fafc; padding: 12px; border-left: 5px solid #1e293b; margin-bottom: 15px;\"\u003e\n    \u003ch3 style=\"color: #1e293b; margin: 0 0 8px 0; font-size: 1.1em;\"\u003e⚙️ Performance \u0026amp; Material Architecture:\u003c\/h3\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; line-height: 1.6;\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eUpgraded PU Formula:\u003c\/strong\u003e Provides much higher wear resistance and longevity over conventional vulcanized rubber options.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBore Reinforcement:\u003c\/strong\u003e Features a rugged copper pipe interior sleeve line to limit long-term ovaling and structural axle wear.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePremium Hybrid Hub:\u003c\/strong\u003e Precision copper and aluminum center construction ensures a completely force-balanced profile.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background-color: #fffaf0; border-left: 5px solid #ed8936; padding: 12px; margin: 15px 0;\"\u003e\n    \u003cstrong\u003e⚠ Axle \u0026amp; Setup Compatibility Note:\u003c\/strong\u003e 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.\n\u003c\/div\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdvanced Polyurethane Engineering:\u003c\/strong\u003e Much more durable than traditional rubber wheels with built-in resistance to flight-line chemicals, oils, and glow\/gas fuel grease residues.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDeflection Control:\u003c\/strong\u003e Highly specialized formula features excellent shock absorption characteristics to protect landing gear boxes during hard or unpaved landings.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElite Finish Profile:\u003c\/strong\u003e Clean metallic styling treated with an advanced oxide sandblasted hub finish for continuous corrosion resistance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eForce-Balanced Geometry:\u003c\/strong\u003e Symmetrical molding minimizes tire runout, wobble, and vibration during high-speed takeoffs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📦 Package Includes:\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e1 Pair (2 Wheels) Gator RC PU Copper Hub Wheels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"margin-top: 15px; padding: 12px; border: 1px dashed #64748b; background-color: #f8fafc;\"\u003e\n    \u003ch4 style=\"margin-top: 0; font-size: 1em;\"\u003e💡 Modeler’s Tips\u003c\/h4\u003e\n    \u003cp style=\"font-size: 0.9em; margin-bottom: 0;\"\u003eWhen 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.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 20px 0;\"\u003e\n\n\u003cdiv style=\"background-color: #f0f7ff; padding: 12px; border-left: 5px solid #007ace;\"\u003e\n    \u003cp style=\"margin: 0; font-size: 0.95em;\"\u003e\u003cstrong\u003eThe Gator-RC Advantage:\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Gator-RC","offers":[{"title":"4\" (102mm)","offer_id":47652534976734,"sku":"GRC-WHL-919","price":34.95,"currency_code":"USD","in_stock":false},{"title":"4.5\" (114mm)","offer_id":47652535009502,"sku":"GRC-WHL-922","price":41.95,"currency_code":"USD","in_stock":true},{"title":"5\" (127mm)","offer_id":47652535042270,"sku":"GRC-WHL-920","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/4_inch_pu_copper_wheel_2.jpg?v=1749080325","url":"https:\/\/www.gator-rc.com\/products\/gator-rc-polyurethane-pu-copper-hub-wheel-set-various-sizes","provider":"Gator RC","version":"1.0","type":"link"}