{"product_id":"tamiya-42391-1-10-rc-trf421x-chassis-kit","title":"Tamiya 42391 1\/10 RC TRF421X Chassis Kit","description":"\u003cdiv class=\"vc_row wpb_row vc_row-fluid\"\u003e\n\n\u003cdiv class=\"wpb_column vc_column_container vc_col-sm-12\"\u003e\n\n\u003cdiv class=\"vc_column-inner\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003cp\u003eThe TRF series welcomes a new TRF touring car chassis kit. This R\/C model assembly kit creates the 2 beltdriven 4WD TRF421X, the latest model in the line of TRF (Tamiya Racing Factory) chassis. Based upon the racing feedback, it employs the updated suspension and low center of gravity setup for superior performance.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv class=\"vc_row wpb_row vc_row-fluid\"\u003e\n\n\u003cdiv class=\"wpb_column vc_column_container vc_col-sm-12\"\u003e\n\n\u003cdiv class=\"vc_column-inner\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【About the Model】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eThis is a 1\/10 scale R\/C chassis assembly kit.\u003c\/li\u003e\n\n\u003cli\u003eComes with a dedicated carrying case for the TRF421X chassis kit.\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003ePlease note that this chassis requires separately sold body, battery pack, motor, tires, wheels, and R\/C equipment.\u003c\/strong\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv class=\"vc_row wpb_row vc_row-fluid\"\u003e\n\n\u003cdiv class=\"wpb_column vc_column_container vc_col-sm-12\"\u003e\n\n\u003cdiv class=\"vc_column-inner\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e\u0026lt;\u0026lt;New features\u0026gt;\u0026gt;\u003c\/h3\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Aluminum motor mount】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eMotor attachment position is 1.04mm lower than that of the TRF421 chassis kit for a lower center of gravity and more stable cornering, and a new design ensures accurate assembly.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【2.0mm thick aluminum lower deck】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eThe new lower deck is molded in popular aluminum, and allows lower motor attachment position for optimum balance of chassis flexibility and weight distribution.\u003c\/li\u003e\n\n\u003cli\u003eCompatible with the TRF421 chassis kit when using new motor mount and 2.0mm thick aluminum lower deck together.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Upper deck】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eBoth types (one-piece and two-piece) of upper deck shape are updated for improved chassis flexibility.\u003c\/li\u003e\n\n\u003cli\u003eCompatible with the TRF421 chassis kit\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【One-piece upper deck attachment】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eTubes, dedicated titanium low head screws and shims are used to attach the one-piece upper deck. Adjust flexibility by using 0-0.3mm shims.\u003c\/li\u003e\n\n\u003cli\u003eCompatible with the TRF421 chassis kit.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Upper and lower suspension arms (new material) \u0026amp; front and rear damper stays】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eDamper attachment positions are moved 1.0mm inside with new front and rear damper stays based upon the latest racing test results.\u003c\/li\u003e\n\n\u003cli\u003eBoth upper and lower suspension arms are molded in carbon reinforced nylon (the TRF421 chassis kit features glass reinforced nylon) to ensure suspension flexibility and to improve stability on high temperature or high grip or carpet surfaces.\u003c\/li\u003e\n\n\u003cli\u003eCompatible with the TRF421 chassis kit when changing both damper stays and suspension arms.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Drive shafts \u0026amp; drive train】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eNew front double cardan drive joint shaft and rear lightweight aluminum universal shafts feature bearings (Drive shafts used on the TRF421 chassis kit feature swing shaft caps.) to limit friction and speed reduction.\u003c\/li\u003e\n\n\u003cli\u003eThe design and materials of front direct cups and rear differential steel joints are also changed. (Materials are changed from aluminum to steel.)\u003c\/li\u003e\n\n\u003cli\u003eLike the TRF421 chassis kit, direct coupling and oil-filled gear differential are employed at front and rear respectively. (Currently-sold Hop-Up Option and Spare Parts can be used.)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Upper arm mounts】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eNew upper arm mounts feature 1mm narrower pivot attachment width for improved cornering response, and upper arm attachment with bushings to adjust pitching, ensure accurate assembly and stability under vibration.\u003c\/li\u003e\n\n\u003cli\u003eCompatible with the TRF421 chassis kit.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Knuckle arm】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eNew knuckle arms – developed based upon the latest racing test result – feature new hole positions for front and rear respectively. The hole for front makes ackerman position outward for more direct steering and the hole for rear makes adjuster rod attachment positions backward for optimum rear grip on low or middle traction surfaces.\u003c\/li\u003e\n\n\u003cli\u003eCompatible with the TRF421 chassis kit. When using knuckle arms included in the TRF421 chassis kit, 4 setup options (2 choices for front and rear respectively) are available depending upon road surface and driving style. Sta\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Stabilizers】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003ePrecision stabilizers can be chosen from 1.2 diameter (x2) and 1.3 diameter (x1) depending upon road surface and driving style.\u003c\/li\u003e\n\n\u003cli\u003eCompatible with the TRF421 chassis kit.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Receiver weight \u0026amp; battery weight】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eNewly added receiver weight (20g) and 0.6mm thick battery weight (30g) ensure optimum weight balance. Receiver weight is attached by one screw, and also works as cooling fan mount.\u003c\/li\u003e\n\n\u003cli\u003eBoth receiver weight and battery weight are compatible with the TRF421 chassis kit.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv class=\"vc_row wpb_row vc_row-fluid\"\u003e\n\n\u003cdiv class=\"wpb_column vc_column_container vc_col-sm-12\"\u003e\n\n\u003cdiv class=\"vc_column-inner\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Recommended Tools for Assembly】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/tamiya.hk\/product\/tamiya-42236-wrench-for-alu-turnbuckles\/\"\u003e42236 Wrench for Aluminum Turnbuckles\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/tamiya.hk\/product\/tamiya-42276-rc-damper-pliers\/\"\u003e42276 Damper Pliers\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/tamiya.hk\/product\/tamiya-74166-non-scratch-long-nose-pliers-ii\/\"\u003e74166 Non-Scratch Long Nose Pliers II\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/tamiya.hk\/product\/tamiya-74002-long-nose-cutter-mk802-model-craft-tools\/\"\u003e74002 Long Nose w\/Cutter\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/tamiya.hk\/product\/tamiya-74155-hg-tweezers-grip-type-tip\/\"\u003e74155 HG Tweezers (Grip Type Tip)\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/tamiya.hk\/product\/tamiya-74080-craft-tweezers-model-craft-tools\/\"\u003e74080 Craft Tweezers\u003c\/a\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv class=\"vc_row wpb_row vc_row-fluid\"\u003e\n\n\u003cdiv class=\"wpb_column vc_column_container vc_col-sm-12\"\u003e\n\n\u003cdiv class=\"vc_column-inner\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003cdiv class=\"wpb_text_column wpb_content_element\"\u003e\n\n\u003cdiv class=\"wpb_wrapper\"\u003e\n\n\u003ch3\u003e【Separately Required Items】\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e2-channel R\/C system w\/ESC\u003c\/li\u003e\n\n\u003cli\u003eMotor\u003c\/li\u003e\n\n\u003cli\u003eBody\u003c\/li\u003e\n\n\u003cli\u003eTires \u0026amp; Wheels\u003c\/li\u003e\n\n\u003cli\u003eServo motor for steering\u003c\/li\u003e\n\n\u003cli\u003eR6\/AA\/UM3 batteries for transmitter\u003c\/li\u003e\n\n\u003cli\u003eBattery pack \u0026amp; charger\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Tamiya","offers":[{"title":"Default Title","offer_id":52061548118327,"sku":null,"price":5200.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/3487\/7751\/files\/42391_01a.avif?v=1777372374","url":"https:\/\/manleemodel.myshopify.com\/en\/products\/tamiya-42391-1-10-rc-trf421x-chassis-kit","provider":"MAN LEE MODEL ONLINE SHOP","version":"1.0","type":"link"}