{"product_id":"fzcsgrr01","title":"Fonzon ARRMA Grom Rear Differential Pinion Set Aluminium FZCSGRR01","description":"\u003cp\u003eThe Fonzon FZCSGRR01 ARRMA Grom Rear Differential and Pinion Set is a fully assembled rear drivetrain upgrade designed for compatible ARRMA Grom vehicles needing stronger gearing, smoother power transfer, and improved durability under high-load driving.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully Assembled Rear Diff Set: Supplied factory assembled with rear differential and input pinion for faster installation\u003c\/li\u003e\n\u003cli\u003e7075-T6 Aluminium Case: Lightweight aluminium differential case provides a strong housing with an excellent strength-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eSteel And Powder Metallurgy Gears: CNC-machined nickel-chromium alloy steel and powder metallurgy gears support durable power transfer\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Gear Design: Drive bevel, planetary, and ring gears are designed to handle increased torque and demanding terrain\u003c\/li\u003e\n\u003cli\u003ePre-Filled Diff Oil: Supplied filled with 3K cSt silicone differential oil for smooth and consistent operation\u003c\/li\u003e\n\u003cli\u003eSealed Adapter Cup Bearings: High-quality sealed bearings help support efficient drivetrain rotation\u003c\/li\u003e\n\u003cli\u003eGrade 12.9 Screws: Titanium-coated screws provide strong and corrosion-resistant assembly hardware\u003c\/li\u003e\n\u003cli\u003eGrom Drivetrain Upgrade: Suitable for strengthening the rear differential assembly on compatible ARRMA Grom models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Fonzon\u003c\/li\u003e\n\u003cli\u003ePart Number: FZCSGRR01\u003c\/li\u003e\n\u003cli\u003eProduct Type: Rear differential and input pinion set\u003c\/li\u003e\n\u003cli\u003eApplication: Rear differential upgrade for compatible ARRMA Grom vehicles\u003c\/li\u003e\n\u003cli\u003eDiff Oil: 3K cSt silicone oil\u003c\/li\u003e\n\u003cli\u003eCase Material: 7075-T6 aluminium\u003c\/li\u003e\n\u003cli\u003eGear Material: Steel and powder metallurgy\u003c\/li\u003e\n\u003cli\u003eGear Type: Drive bevel, planetary, and ring gears\u003c\/li\u003e\n\u003cli\u003eBearings: Sealed adapter cup bearings\u003c\/li\u003e\n\u003cli\u003eHardware: Grade 12.9 titanium-coated screws\u003c\/li\u003e\n\u003cli\u003eAssembly: Fully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eARRMA Gorgon Grom\u003c\/li\u003e\n\u003cli\u003eARRMA Granite Grom\u003c\/li\u003e\n\u003cli\u003eARRMA Mojave Grom\u003c\/li\u003e\n\u003cli\u003eARRMA Quake Grom\u003c\/li\u003e\n\u003cli\u003eARRMA Typhon Grom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncludes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Fonzon ARRMA Grom 7075-T6 aluminium assembled rear differential and pinion set with steel gears\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Fonzon FZCSGRR01 differential already assembled?\u003c\/strong\u003e Yes. The Fonzon FZCSGRR01 rear differential and pinion set is supplied fully assembled and ready to install.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat diff oil is included in the Fonzon FZCSGRR01?\u003c\/strong\u003e The Fonzon FZCSGRR01 differential is pre-filled with 3K cSt silicone differential oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat ARRMA vehicles does this rear differential suit?\u003c\/strong\u003e The Fonzon FZCSGRR01 rear differential is designed for compatible ARRMA Grom vehicles, including Gorgon Grom, Granite Grom, Mojave Grom, Quake Grom, and Typhon Grom models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine ARRMA part?\u003c\/strong\u003e No. The Fonzon FZCSGRR01 is an aftermarket drivetrain upgrade made by Fonzon for compatible ARRMA Grom vehicles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this include the input pinion?\u003c\/strong\u003e Yes. The Fonzon FZCSGRR01 set includes the rear differential assembly with input pinion.\u003c\/p\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is an aftermarket Fonzon upgrade part, not a genuine ARRMA factory spare part.\u003c\/li\u003e\n\u003cli\u003eCheck your ARRMA Grom manual, exploded diagram, and drivetrain layout before fitting to confirm rear differential compatibility.\u003c\/li\u003e\n\u003cli\u003eThis listing is for the rear differential and pinion set only. Vehicle, diff housing hardware outside the supplied assembly, tools, and other drivetrain parts are not included.\u003c\/li\u003e\n\u003cli\u003eAfter installation, check gear mesh, drivetrain movement, and screw tension before running the vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARRMA","offers":[{"title":"Default Title","offer_id":51634166268216,"sku":"FZCSGRR01","price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2849\/9768\/files\/Fonzon_ARRMA_Grom_Rear_Differential_Pinion_Set_Aluminium_FZCSGRR01_1.png?v=1781165191","url":"https:\/\/ozrc.com.au\/products\/fzcsgrr01","provider":"OZRC","version":"1.0","type":"link"}