{"product_id":"aluminum-heat-sink-with-thermal-controlled-40mm-cooling-fan-for-42mm-brushless-motors-compatible-with-4268-4274-traxxas-arrma-1-8-1-10-scale-rc-carsblack-color-black","title":"Aluminum Heat Sink with Thermal-Controlled 40mm Cooling Fan for 42mm Brushless Motors – Compatible with 4268 4274 Traxxas Arrma 1\/8 \u0026 1\/10 Scale RC Cars(Black) - color: Black","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered for 42mm diameter brushless motors—including popular 4268 and 4274 models—this aluminum heat sink delivers reliable thermal management for high-performance 1\/8 and 1\/10 scale RC vehicles from Traxxas, Arrma, and other leading brands.\u003c\/li\u003e\n\u003cli\u003eFeaturing a smart thermal sensor that activates the ultra-quiet 40mm fan only when motor temperature hits 45°C (113°F), it maximizes battery efficiency by eliminating unnecessary power draw while ensuring active cooling during intense runs.\u003c\/li\u003e\n\u003cli\u003ePowered directly from your receiver, the integrated fan setup requires no extra wiring or external controllers—making installation fast, clean, and hassle-free for both beginners and seasoned hobbyists.\u003c\/li\u003e\n\u003cli\u003eMachined from lightweight, high-conductivity aluminum, the clamp-style design ensures full contact with the motor can for optimal heat transfer, reducing operating temperatures and extending motor and ESC lifespan.\u003c\/li\u003e\n\u003cli\u003eWhether you’re bashing at full throttle, climbing steep grades, or pushing your system in summer heat, this intelligent cooling solution keeps your powertrain running cooler and longer—so you get more run time and more fun without thermal shutdowns.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e AllinRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum \u0026amp; Plastic Fans\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e AllinRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1 Count\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AllinRC","offers":[{"title":"Default Title","offer_id":52158533796128,"sku":"B09KY887CM-color-black","price":23.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/7682\/9472\/files\/41ByIcHGtZL.jpg?v=1786081072","url":"https:\/\/tinyracer.com\/products\/aluminum-heat-sink-with-thermal-controlled-40mm-cooling-fan-for-42mm-brushless-motors-compatible-with-4268-4274-traxxas-arrma-1-8-1-10-scale-rc-carsblack-color-black","provider":"TinyRacer","version":"1.0","type":"link"}