{"product_id":"yokomo-lightweight-aluminium-spur-gear-hub-black-rd-630bk","title":"Yokomo Lightweight Aluminium Spur Gear Hub Black RD-630BK","description":"\u003cp\u003eThe Yokomo RD-630BK is a lightweight aluminium spur gear hub for compatible RD SD and MD drift chassis, designed to reduce rotating mass while positioning the spur gear closer to the gearbox for smoother rotation and a more direct drivetrain response\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight aluminium spur gear hub\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Yokomo RD SD and MD drift chassis\u003c\/li\u003e\n\u003cli\u003eLarger-diameter hub provides increased support for the spur gear\u003c\/li\u003e\n\u003cli\u003eHelps reduce spur gear wobble and improve rotational stability\u003c\/li\u003e\n\u003cli\u003ePositions the spur gear closer to the gear case than earlier standard hub designs\u003c\/li\u003e\n\u003cli\u003eRevised spur position helps reduce load on the top shaft during hard acceleration\u003c\/li\u003e\n\u003cli\u003eDesigned to provide a more direct drivetrain feel\u003c\/li\u003e\n\u003cli\u003eMachined black finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Yokomo\u003c\/li\u003e\n\u003cli\u003eProduct Type: Lightweight Spur Gear Hub\u003c\/li\u003e\n\u003cli\u003eApplication: RC Drift Drivetrain\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminium\u003c\/li\u003e\n\u003cli\u003eColour: Black\u003c\/li\u003e\n\u003cli\u003eQuantity: 1\u003c\/li\u003e\n\u003cli\u003eGTIN: 639342231072\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: RD-630BK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYokomo RD Series\u003c\/li\u003e\n\u003cli\u003eYokomo SD Series\u003c\/li\u003e\n\u003cli\u003eYokomo MD Series\u003c\/li\u003e\n\u003cli\u003eOther supported Yokomo drift chassis specifically listing RD-630BK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncludes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Yokomo Lightweight Aluminium Spur Gear Hub Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes RD-630BK fit Yokomo RD SD and MD chassis?\u003c\/strong\u003e Yes, Yokomo officially lists RD-630BK as a lightweight aluminium spur gear hub for the RD SD and MD series\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a different top shaft when upgrading from an older Yokomo spur gear hub?\u003c\/strong\u003e Yes, when replacing standard hubs such as Y4-630A Y2-630PA or Y2-630RA, Yokomo states that the set-screw location is different and the dedicated RD-631 top shaft must be used on compatible RD and SD setups\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan RD-630BK be used on MD-series cars?\u003c\/strong\u003e Yes, but MD3.0 applications require the appropriate MD-series top shaft such as MD-631 or MD-631-35 depending on the transmission setup\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this upgrade change the gear ratio?\u003c\/strong\u003e No, the hub itself changes the spur gear support and position rather than the spur or pinion tooth count\u003c\/p\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhen replacing Y4-630A Y2-630PA or Y2-630RA on compatible RD or SD chassis use Yokomo RD-631 top shaft\u003c\/li\u003e\n\u003cli\u003eMD-series installations require the appropriate compatible MD top shaft\u003c\/li\u003e\n\u003cli\u003eYokomo states that this hub cannot be used with the Y2-018AR2A aluminium rear shock tower\u003c\/li\u003e\n\u003cli\u003eCompatible RD and SD installations require the RD-018AB rear shock tower where specified by Yokomo\u003c\/li\u003e\n\u003cli\u003eSpur gear top shaft and surrounding drivetrain components are not included unless specifically stated\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokomo","offers":[{"title":"Default Title","offer_id":52990682792248,"sku":"RD-630BK","price":44.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2849\/9768\/files\/Yokomo_Lightweight_Aluminium_Spur_Gear_Hub_Black_RD-630BK_1.png?v=1789765373","url":"https:\/\/ozrc.com.au\/products\/yokomo-lightweight-aluminium-spur-gear-hub-black-rd-630bk","provider":"OZRC","version":"1.0","type":"link"}