{"product_id":"mst-rmx-4-s-pro","title":"MST RMX 4 S PRO","description":"\u003cp data-start=\"207\" data-end=\"608\"\u003eThe RMX 4 S PRO is MST’s latest 1\/10 RWD drift chassis, engineered with modern MR (Mid Rear) drivetrain balance, adjustable geometry, and pro-level components. With a triple-position motor mount, multi-wheelbase compatibility, TR56 aluminum oil dampers, and a redesigned suspension system, it delivers precise control, high-angle steering, and smooth drifting for beginners and advanced drivers alike.\u003c\/p\u003e\n\u003cp data-start=\"615\" data-end=\"631\"\u003e\u003cstrong data-start=\"619\" data-end=\"631\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"632\" data-end=\"1451\"\u003e\n\u003cli data-start=\"632\" data-end=\"680\"\u003eAdjustable wheelbase: \u003cstrong data-start=\"656\" data-end=\"678\"\u003e257 \/ 266 \/ 275 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"681\" data-end=\"738\"\u003eMR (Mid Rear) drivetrain layout for balanced handling\u003c\/li\u003e\n\u003cli data-start=\"739\" data-end=\"791\"\u003eQuick-release rear subframe for fast maintenance\u003c\/li\u003e\n\u003cli data-start=\"792\" data-end=\"851\"\u003eAnti-Torque 4-gear transmission (convertible to 3-gear)\u003c\/li\u003e\n\u003cli data-start=\"852\" data-end=\"896\"\u003eTR56 aluminum hydraulic dampers included\u003c\/li\u003e\n\u003cli data-start=\"897\" data-end=\"943\"\u003eGear differential included (S PRO version)\u003c\/li\u003e\n\u003cli data-start=\"944\" data-end=\"986\"\u003eTriple-level adjustable motor position\u003c\/li\u003e\n\u003cli data-start=\"987\" data-end=\"1042\"\u003eNew short rear suspension arms for better stability\u003c\/li\u003e\n\u003cli data-start=\"1043\" data-end=\"1106\"\u003eTorsion-type dual vertical deck for controlled chassis flex\u003c\/li\u003e\n\u003cli data-start=\"1107\" data-end=\"1164\"\u003eFloating servo mount for consistent steering response\u003c\/li\u003e\n\u003cli data-start=\"1165\" data-end=\"1219\"\u003eNew steering arm system with fine Ackermann tuning\u003c\/li\u003e\n\u003cli data-start=\"1220\" data-end=\"1282\"\u003eATK V3 knuckles for large steering angle and fast response\u003c\/li\u003e\n\u003cli data-start=\"1283\" data-end=\"1338\"\u003eAdjustable ESC mounting positions (high and low CG)\u003c\/li\u003e\n\u003cli data-start=\"1339\" data-end=\"1388\"\u003eQuick-release battery holder for shorty LiPos\u003c\/li\u003e\n\u003cli data-start=\"1389\" data-end=\"1451\"\u003eGlass-fiber reinforced nylon components for added rigidity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong data-start=\"1462\" data-end=\"1480\"\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1481\" data-end=\"1934\"\u003e\n\u003cli data-start=\"1481\" data-end=\"1500\"\u003e\n\u003cstrong data-start=\"1483\" data-end=\"1493\"\u003eScale:\u003c\/strong\u003e 1\/10\u003c\/li\u003e\n\u003cli data-start=\"1501\" data-end=\"1538\"\u003e\n\u003cstrong data-start=\"1503\" data-end=\"1518\"\u003eDrive Mode:\u003c\/strong\u003e RWD (Mid Rear—MR)\u003c\/li\u003e\n\u003cli data-start=\"1539\" data-end=\"1601\"\u003e\n\u003cstrong data-start=\"1541\" data-end=\"1555\"\u003eWheelbase:\u003c\/strong\u003e 257 \/ 266 \/ 275 mm (+3mm \/ -1mm adjustable)\u003c\/li\u003e\n\u003cli data-start=\"1602\" data-end=\"1668\"\u003e\n\u003cstrong data-start=\"1604\" data-end=\"1627\"\u003eWidth (Hex-to-Hex):\u003c\/strong\u003e\n\u003cul data-start=\"1632\" data-end=\"1668\"\u003e\n\u003cli data-start=\"1632\" data-end=\"1649\"\u003eFront: 182 mm\u003c\/li\u003e\n\u003cli data-start=\"1652\" data-end=\"1668\"\u003eRear: 172 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1669\" data-end=\"1711\"\u003e\n\u003cstrong data-start=\"1671\" data-end=\"1688\"\u003eCaster Angle:\u003c\/strong\u003e 5.5° \/ 7° adjustable\u003c\/li\u003e\n\u003cli data-start=\"1712\" data-end=\"1738\"\u003e\n\u003cstrong data-start=\"1714\" data-end=\"1731\"\u003eCamber Angle:\u003c\/strong\u003e 9.1°\u003c\/li\u003e\n\u003cli data-start=\"1739\" data-end=\"1775\"\u003e\n\u003cstrong data-start=\"1741\" data-end=\"1754\"\u003eBearings:\u003c\/strong\u003e Full ball bearings\u003c\/li\u003e\n\u003cli data-start=\"1776\" data-end=\"1823\"\u003e\n\u003cstrong data-start=\"1778\" data-end=\"1789\"\u003eShocks:\u003c\/strong\u003e TR56 Aluminum Hydraulic Dampers\u003c\/li\u003e\n\u003cli data-start=\"1824\" data-end=\"1879\"\u003e\n\u003cstrong data-start=\"1826\" data-end=\"1843\"\u003eDifferential:\u003c\/strong\u003e Gear differential (S PRO version)\u003c\/li\u003e\n\u003cli data-start=\"1880\" data-end=\"1934\"\u003e\n\u003cstrong data-start=\"1882\" data-end=\"1903\"\u003eChassis Material:\u003c\/strong\u003e Glass-fiber reinforced nylon\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"d_flex flex-d_column md:flex-d_row ai_baseline w_full gap_0 md:gap_6 mx_auto\"\u003e\n\u003cul class=\"li-s_none d_initial md:d_grid grid-tc_max-content_auto w_full md:w_50%\"\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e.embed-container { position: relative; 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