{"product_id":"rc4wd-4-1-ultra-compact-gear-reduction-unit-540-motor-rc4zu0012","title":"RC4WD 4\/1 Ultra Compact Gear Reduction Unit (540 Motor)","description":"\u003cp\u003eThe RC4WD 4\/1 Ultra Compact Gear Reduction Unit is designed for RC vehicles and models using a standard 540 motor. Its 4:1 reduction ratio is housed in a compact CNC machined aluminum housing, with an added length of 18mm (.7 inch).\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCNC machined high precision aluminum housing\u003c\/li\u003e\n\u003cli\u003eStainless hardened steel micro size internal gears\u003c\/li\u003e\n\u003cli\u003eCustom made pinion gears\u003c\/li\u003e\n\u003cli\u003eUniversal fit for any 540 motor\u003c\/li\u003e\n\u003cli\u003eEngineered and manufactured by RC4WD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear reduction ratio:\u003c\/strong\u003e 4:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall diameter:\u003c\/strong\u003e 36mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 18mm (.7 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Shaft OD:\u003c\/strong\u003e 0.12\" \/ 3.2mm, with a flat surface for mounting standard RC pinion gears\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal metal gears:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Parts:\u003c\/strong\u003e 11\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncludes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e(1) RC4WD Ultra Compact GRU\u003c\/li\u003e\n\u003cli\u003e(1) Steel Pinion Gear\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDue to the added length, longer motor mounting screws are required. For example, on a Tamiya clod axle, two M3 46mm long screws are needed.\u003c\/p\u003e","brand":"RC4WD","offers":[{"title":"Default Title","offer_id":46317553418474,"sku":"RC4ZU0012","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/9723\/1338\/files\/RC4ZU0012_01.jpg?v=1790125396","url":"https:\/\/swflrcr.com\/products\/rc4wd-4-1-ultra-compact-gear-reduction-unit-540-motor-rc4zu0012","provider":"SWFLRC Raceway","version":"1.0","type":"link"}