{"product_id":"main-gear-set-for-rc-era-c189-md500-rc-helicopter","title":"Main Gear Set for RC ERA C189 MD500 RC Helicopter","description":"\u003ch1\u003eMain Gear Set for RC ERA C189 MD500 RC Helicopter\u003c\/h1\u003e\n\u003chr\u003e\n\u003ch2\u003eRestore Silent and Smooth Power Delivery\u003c\/h2\u003e\n\u003cp data-path-to-node=\"5\"\u003eStripped or worn main gears are the primary cause of \"gear slipping\" noises and loss of lift. This replacement set solves power transmission failures caused by crash impacts or long-term wear, restoring the whisper-quiet and efficient drive system that the \u003cstrong\u003eRC ERA C189\u003c\/strong\u003e is known for.. \u003cstrong\u003eShips worldwide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 data-path-to-node=\"8\"\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,0,0\"\u003eSelf-Lubricating Material:\u003c\/b\u003e Molded from high-grade POM (Polyoxymethylene) for low friction and high wear resistance without the need for messy grease.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,1,0\"\u003ePrecision Tooth Profile:\u003c\/b\u003e Optimized gear mesh reduces noise and ensures 100% power transfer from the brushless motor to the rotor head.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,2,0\"\u003eReinforced Hub:\u003c\/b\u003e Features a thickened center hub to prevent the gear from spinning on the main shaft under high torque.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,3,0\"\u003eTwo-Piece Value Pack:\u003c\/b\u003e Includes a pair of gears to ensure you have a spare for future maintenance or a full transmission overhaul.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003eFor the \u003cstrong\u003eRC ERA C189 Brushless RC Helicopter\u003c\/strong\u003e only.\u003cbr\u003eFull model page (specs \u0026amp; photos):\u003cbr\u003e\u003ca href=\"https:\/\/www.kidstoylover.com\/en-us\/products\/rc-era-c189-dual-brushless-rc-helicopter-1-28-scale-with-gyro-and-altitude-hold?_pos=1\u0026amp;_sid=c54e46d45\u0026amp;_ss=r\"\u003ehttps:\/\/www.kidstoylover.com\/en-us\/products\/rc-era-c189-dual-brushless-rc-helicopter-1-28-scale-with-gyro-and-altitude-hold?_pos=1\u0026amp;_sid=c54e46d45\u0026amp;_ss=r\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"24,0,0\"\u003e2 x Main Drive Gears\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstall Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,0,0\"\u003e\u003cb data-path-to-node=\"22,0,0\" data-index-in-node=\"0\"\u003eGap Adjustment:\u003c\/b\u003e When installing, ensure there is a tiny amount of \"backlash\" (play) between the motor pinion and the main gear; too tight will burn the motor, too loose will strip the gear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,1,0\"\u003e\u003cb data-path-to-node=\"22,1,0\" data-index-in-node=\"0\"\u003eShaft Alignment:\u003c\/b\u003e Ensure the gear is fully seated and the flat spot on the main shaft aligns with the gear's internal D-shape (if applicable).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,2,0\"\u003e\u003cb data-path-to-node=\"22,2,0\" data-index-in-node=\"0\"\u003eDebris Check:\u003c\/b\u003e After a crash, always check for tiny plastic shards stuck in the motor pinion before installing the new gear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSupport \u0026amp; Warranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExpert help to choose the right \u003cstrong\u003eRC ERA C189\u003c\/strong\u003e\u003cstrong\u003e spare parts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-month warranty\u003c\/strong\u003e on manufacturing defects\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShips worldwide\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eOther Related Parts\u003c\/h2\u003e\n\u003cp data-path-to-node=\"18\"\u003eNeed gears, shafts, servos, LEDs, batteries and more? Browse the full \u003cstrong\u003eRC ERA C189\u003c\/strong\u003e\u003cstrong\u003e spare parts\u003c\/strong\u003e collection:\u003cbr\u003e\u003ca href=\"https:\/\/www.kidstoylover.com\/collections\/rc-era-c189-rc-helicopter-spare-parts-accessories\"\u003ehttps:\/\/www.kidstoylover.com\/collections\/rc-era-c189-rc-helicopter-spare-parts-accessories\u003c\/a\u003e\u003c\/p\u003e","brand":"Kidstoylover","offers":[{"title":"Default Title","offer_id":42867947864131,"sku":"rcerac189mg","price":244.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/8313\/1203\/files\/per.jpg?v=1767842864","url":"https:\/\/www.kidstoylover.com\/it-tw\/products\/main-gear-set-for-rc-era-c189-md500-rc-helicopter","provider":"Kidstoylover","version":"1.0","type":"link"}