{"product_id":"rc-era-c138-main-shaft-set-with-hardware-oem-replacement","title":"RC ERA C138 Main Shaft Set (with Hardware) OEM Replacement","description":"\u003ch1 data-start=\"78\" data-end=\"139\" style=\"text-align: center;\"\u003e\u003cstrong\u003eRC ERA C138 Main Shaft Set — OEM Main\/Center Shaft Assembly\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-start=\"141\" data-end=\"344\"\u003eRestore true, vibration-free rotation on your C138 with this genuine \u003cstrong data-start=\"210\" data-end=\"228\"\u003eMain Shaft Set\u003c\/strong\u003e. Factory-straight shafts and matched hardware reduce wobble, improve blade tracking, and deliver smoother spool-up.\u003c\/p\u003e\n\u003chr data-start=\"346\" data-end=\"349\"\u003e\n\u003ch2 data-start=\"351\" data-end=\"366\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"367\" data-end=\"661\"\u003e\n\u003cli data-start=\"367\" data-end=\"454\"\u003e\n\u003cp data-start=\"369\" data-end=\"454\"\u003e\u003cstrong data-start=\"369\" data-end=\"399\"\u003eOEM-spec main\/center shaft\u003c\/strong\u003e for accurate head geometry and smooth power transfer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"455\" data-end=\"538\"\u003e\n\u003cp data-start=\"457\" data-end=\"538\"\u003eCures \u003cstrong data-start=\"463\" data-end=\"507\"\u003ehead wobble, vibration, and off-tracking\u003c\/strong\u003e after bumps or hard landings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"539\" data-end=\"597\"\u003e\n\u003cp data-start=\"541\" data-end=\"597\"\u003ePrecision fit to minimize play at the hub and bearings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"598\" data-end=\"661\"\u003e\n\u003cp data-start=\"600\" data-end=\"661\"\u003eIdeal for \u003cstrong data-start=\"610\" data-end=\"626\"\u003ecrash repair\u003c\/strong\u003e and routine drivetrain maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"663\" data-end=\"666\"\u003e\n\u003ch2 data-start=\"668\" data-end=\"684\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"685\" data-end=\"946\"\u003ePurpose-built for the \u003cstrong data-start=\"707\" data-end=\"724\"\u003eC138 platform\u003c\/strong\u003e, fully compatible with:\u003cbr data-start=\"748\" data-end=\"751\"\u003e👉 \u003ca data-start=\"754\" data-end=\"946\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/www.kidstoylover.com\/products\/rc-era-c138-6ch-rc-helicopter-with-gyro-optical-flow-positioning-red-blue?utm_source=chatgpt.com\"\u003eRC ERA C138 6CH RC Helicopter with Gyro \u0026amp; Optical-Flow Positioning (Red\/Blue)\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 20 20\" fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cpath d=\"M14.3349 13.3301V6.60645L5.47065 15.4707C5.21095 15.7304 4.78895 15.7304 4.52925 15.4707C4.26955 15.211 4.26955 14.789 4.52925 14.5293L13.3935 5.66504H6.66011C6.29284 5.66504 5.99507 5.36727 5.99507 5C5.99507 4.63273 6.29284 4.33496 6.66011 4.33496H14.9999L15.1337 4.34863C15.4369 4.41057 15.665 4.67857 15.665 5V13.3301C15.6649 13.6973 15.3672 13.9951 14.9999 13.9951C14.6327 13.9951 14.335 13.6973 14.3349 13.3301Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"948\" data-end=\"1001\"\u003e\u003cem data-start=\"948\" data-end=\"1001\"\u003eNot universal—recommended only for the C138 series.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"1003\" data-end=\"1006\"\u003e\n\u003ch2 data-start=\"1008\" data-end=\"1029\"\u003e\u003cstrong\u003eWhat’s in the Pack\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1030\" data-end=\"1316\"\u003e\n\u003cli data-start=\"1030\" data-end=\"1096\"\u003e\n\u003cp data-start=\"1032\" data-end=\"1096\"\u003e\u003cstrong data-start=\"1032\" data-end=\"1050\"\u003e1 × Main Shaft\u003c\/strong\u003e (center shaft) for the C138 head\/gear train\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1097\" data-end=\"1164\"\u003e\n\u003cp data-start=\"1099\" data-end=\"1164\"\u003e\u003cstrong data-start=\"1099\" data-end=\"1123\"\u003eHardware as pictured\u003c\/strong\u003e (e.g., collar, screws, pins\/retainers)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1165\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1167\" data-end=\"1316\"\u003e\u003cem data-start=\"1167\" data-end=\"1316\"\u003eBlade grips, feathering\/spindle shaft, bearings, and main gear are \u003cstrong data-start=\"1235\" data-end=\"1242\"\u003enot\u003c\/strong\u003e included unless shown in photos; reuse originals or purchase separately.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1318\" data-end=\"1321\"\u003e\n\u003ch2 data-start=\"1323\" data-end=\"1341\"\u003e\u003cstrong\u003eWhen to Replace\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1342\" data-end=\"1564\"\u003e\n\u003cli data-start=\"1342\" data-end=\"1409\"\u003e\n\u003cp data-start=\"1344\" data-end=\"1409\"\u003ePersistent \u003cstrong data-start=\"1355\" data-end=\"1368\"\u003evibration\u003c\/strong\u003e or \u003cstrong data-start=\"1372\" data-end=\"1387\"\u003ehead wobble\u003c\/strong\u003e after minor crashes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1455\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1455\"\u003e\u003cstrong data-start=\"1412\" data-end=\"1429\"\u003eBent\/ovalized\u003c\/strong\u003e shaft or visible runout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1456\" data-end=\"1520\"\u003e\n\u003cp data-start=\"1458\" data-end=\"1520\"\u003eDifficult \u003cstrong data-start=\"1468\" data-end=\"1486\"\u003eblade tracking\u003c\/strong\u003e despite correct linkage lengths\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1521\" data-end=\"1564\"\u003e\n\u003cp data-start=\"1523\" data-end=\"1564\"\u003eScored shaft surface causing bearing wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1566\" data-end=\"1569\"\u003e\n\u003ch2 data-start=\"1571\" data-end=\"1599\"\u003e\u003cstrong\u003eInstallation \u0026amp; Setup Tips\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1600\" data-end=\"1975\"\u003e\n\u003cli data-start=\"1600\" data-end=\"1653\"\u003e\n\u003cp data-start=\"1602\" data-end=\"1653\"\u003e\u003cstrong data-start=\"1602\" data-end=\"1636\"\u003ePower off \u0026amp; remove the battery\u003c\/strong\u003e before service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1654\" data-end=\"1738\"\u003e\n\u003cp data-start=\"1656\" data-end=\"1738\"\u003eInspect and replace worn \u003cstrong data-start=\"1681\" data-end=\"1719\"\u003ebearings, hub, or feathering shaft\u003c\/strong\u003e at the same time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1739\" data-end=\"1821\"\u003e\n\u003cp data-start=\"1741\" data-end=\"1821\"\u003eEnsure the \u003cstrong data-start=\"1752\" data-end=\"1766\"\u003ecollar\/pin\u003c\/strong\u003e is seated correctly; check vertical play at the head\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1822\" data-end=\"1899\"\u003e\n\u003cp data-start=\"1824\" data-end=\"1899\"\u003eVerify \u003cstrong data-start=\"1831\" data-end=\"1849\"\u003emain gear mesh\u003c\/strong\u003e and that the shaft spins freely without binding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1900\" data-end=\"1975\"\u003e\n\u003cp data-start=\"1902\" data-end=\"1975\"\u003eAfter assembly, \u003cstrong data-start=\"1918\" data-end=\"1937\"\u003elevel the swash\u003c\/strong\u003e and do a \u003cstrong data-start=\"1947\" data-end=\"1975\"\u003elow-hover tracking check\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1977\" data-end=\"1980\"\u003e\n\u003ch2 data-start=\"1982\" data-end=\"2006\"\u003e\u003cstrong\u003eMore C138 Spare Parts\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2007\" data-end=\"2205\"\u003eNeed rotor head, swashplate, linkage rods, bearings, gears, or blades?\u003cbr data-start=\"2077\" data-end=\"2080\"\u003e👉 Explore the collection: \u003ca data-start=\"2107\" data-end=\"2205\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/www.kidstoylover.com\/search?q=C138\u0026amp;options%5Bprefix%5D=last\u0026amp;utm_source=chatgpt.com\"\u003eC138 Spare Parts Collection\u003c\/a\u003e\u003c\/p\u003e","brand":"Kidstoylover","offers":[{"title":"Default Title","offer_id":42554074431555,"sku":"rcerac138mms","price":12.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/8313\/1203\/files\/c138-N-7.jpg?v=1757032595","url":"https:\/\/www.kidstoylover.com\/nl\/products\/rc-era-c138-main-shaft-set-with-hardware-oem-replacement","provider":"Kidstoylover","version":"1.0","type":"link"}