{"product_id":"moza-r21-ultra-dd-wheel-base","title":"MOZA R21 Ultra DD Wheel Base","description":"\u003cdiv style=\"max-width: 1000px; margin: auto; font-family: inherit; line-height: 1.6;\"\u003e\n\n  \u003cp\u003e\u003cspan\u003eExperience professional-grade sim racing with the \u003cstrong\u003eMOZA R21 Ultra DD Wheel Base\u003c\/strong\u003e. Featuring a 21Nm sustained torque direct-drive motor, zero-cogging flat-wire technology, 21-bit magnetic encoder, and intelligent thermal management, the R21 delivers precise force feedback, smooth handling, and immersive realism for both endurance sessions and competitive racing.\u003c\/span\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1824\/4087\/files\/screencapture-mozaracing-products-r21-ultra-2025-10-31-09_52_09.png?v=1761857590\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n  \u003c!-- SPECS --\u003e\n  \u003ch2 style=\"margin-top: 18px;\"\u003eSPECS\u003c\/h2\u003e\n\n  \u003c!-- Product Specs (as accordion) --\u003e\n  \u003cbutton class=\"accordion-btn\"\u003eMOZA R21 Ultra Direct Drive Wheel Base — Specs \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cul style=\"margin:0;\"\u003e\n      \u003cli\u003e\n\u003cb\u003ePlatform:\u003c\/b\u003e PC\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eDrive System:\u003c\/b\u003e Direct Drive\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eEncoder Type:\u003c\/b\u003e 21-bit Magnetic Encoder\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eEncoder Resolution:\u003c\/b\u003e 2,097,152 PPR\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eMaximum Torque:\u003c\/b\u003e 21 N·m (sustained)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eRated Power:\u003c\/b\u003e 360W\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eInput Voltage:\u003c\/b\u003e 110V~220V AC → 36V DC\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eHousing Material:\u003c\/b\u003e Aluminum Alloy\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eRear Cover Material:\u003c\/b\u003e Plastic\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eCoupler Material:\u003c\/b\u003e Aluminum Alloy\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eRGB Light Strips:\u003c\/b\u003e 2\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eMobile App Functions:\u003c\/b\u003e Supported\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eQuick Release:\u003c\/b\u003e Supported\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eUSB Refresh Rate:\u003c\/b\u003e 1000Hz\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003ePorts:\u003c\/b\u003e Power, PC, Pedals, Dashboard, Shifter, Handbrake, Emergency Stop Switch\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eAccessories:\u003c\/b\u003e Power adapter, data cable, bolt kit, user manual, warranty card\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eMounting Options:\u003c\/b\u003e Front, side, and bottom mounting supported (optional adjustable bracket available)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eEmergency Stop Switch:\u003c\/b\u003e Optional\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 248.8 × 140 × 135 mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 9.0 kg\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Mounting Holes Diagram (accordion) --\u003e\n  \u003cbutton class=\"accordion-btn\"\u003eMounting Holes Diagram \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0937\/0802\/6176\/files\/R21_R25_Base_Slot_Installation_Diagram.pdf?v=1758881649\" target=\"_blank\" rel=\"noopener\"\u003eMOZA R21 Ultra DD Base Mounting Holes Diagram (PDF)\u003c\/a\u003e\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- User Manual (accordion) --\u003e\n  \u003cbutton class=\"accordion-btn\"\u003eUser Manual \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0937\/0802\/6176\/files\/MOZA_R21_Ultra_DD_Wheel_Base_User_Manual_1016.pdf?v=1760604796\" target=\"_blank\" rel=\"noopener\"\u003eMOZA R21 Ultra DD Base User Manual (PDF)\u003c\/a\u003e\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- What's in the Box (accordion) --\u003e\n  \u003cbutton class=\"accordion-btn\"\u003eWhat’s in the Box \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cul style=\"margin:0;\"\u003e\n      \u003cli\u003eR21 Ultra Direct Drive Wheelbase × 1\u003c\/li\u003e\n      \u003cli\u003ePower Adapter\u003c\/li\u003e\n      \u003cli\u003ePower Cord\u003c\/li\u003e\n      \u003cli\u003eData Cord\u003c\/li\u003e\n      \u003cli\u003eBolt Kit\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FAQs --\u003e\n  \u003ch2 style=\"margin-top: 18px;\"\u003eFAQs\u003c\/h2\u003e\n\n  \u003cbutton class=\"accordion-btn\"\u003eIs the R21 Ultra’s 21Nm torque sustained or peak output? What does that mean for me? \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      The 21Nm rating is \u003cstrong\u003esustained\u003c\/strong\u003e, not a short-term peak. The base maintains full performance during long endurance sessions without throttling, delivering consistent, realistic feedback every lap.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cbutton class=\"accordion-btn\"\u003eHow does 21Nm compare to other wheel bases on the market? Who is it for? \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      21Nm sits above most entry\/mid-tier units (≈3–17Nm) while remaining more accessible than extreme flagships. It’s ideal for advanced sim racers or semi-pro drivers seeking sustained torque, precision, and smooth control.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cbutton class=\"accordion-btn\"\u003eWhat’s the difference between the R21 and previous MOZA bases (R5\/R9), and why upgrade? \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cul style=\"margin:0;\"\u003e\n      \u003cli\u003eHigher sustained torque (21Nm) for endurance performance\u003c\/li\u003e\n      \u003cli\u003eZero-cogging flat-wire motor + 21-bit encoder for ultra-smooth precision\u003c\/li\u003e\n      \u003cli\u003eIntelligent cooling for stable thermal efficiency\u003c\/li\u003e\n      \u003cli\u003eAdvanced FFB algorithms \u0026amp; app tuning for a personalized feel\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cbutton class=\"accordion-btn\"\u003eHow is thermal performance and long-term durability? Are there safety features? \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      Intelligent thermal management monitors temperature and regulates torque to maintain optimal performance. Hands-off Protection can auto-center\/stabilize the wheel if your hands leave it, enhancing safety.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cbutton class=\"accordion-btn\"\u003eDo the RGB lighting and app features affect performance? Can I turn them off? \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e\u003c\/button\u003e\n  \u003cdiv class=\"accordion-panel\"\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      RGB lighting is aesthetic\/telemetry-driven and can be customized or disabled. The MOZA App handles config\/updates; core force feedback processing is local, so there’s no performance loss.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- Accordion CSS --\u003e\n\u003cstyle\u003e\n  .accordion-btn {\n    background:#f5f5f5;\n    cursor:pointer;\n    padding:16px;\n    width:100%;\n    text-align:left;\n    border:none;\n    outline:none;\n    font-size:16px;\n    font-weight:bold;\n    display:flex;\n    justify-content:space-between;\n    align-items:center;\n    margin-bottom:4px;\n    font-family: inherit;\n  }\n  .accordion-btn .plus { font-size:20px; }\n  .accordion-panel {\n    display:none;\n    background:#fff;\n    padding:16px;\n    margin-bottom:8px;\n    font-family: inherit;\n  }\n\u003c\/style\u003e\n\n\u003c!-- Accordion Script --\u003e\n\u003cscript\u003e\n  document.querySelectorAll(\".accordion-btn\").forEach(btn=\u003e{\n    btn.addEventListener(\"click\", ()=\u003e{\n      const panel = btn.nextElementSibling;\n      const plus  = btn.querySelector(\".plus\");\n      if (panel.style.display === \"block\") {\n        panel.style.display = \"none\";\n        plus.textContent = \"+\";\n      } else {\n        panel.style.display = \"block\";\n        plus.textContent = \"–\";\n      }\n    });\n  });\n\u003c\/script\u003e\n","brand":"MOZA","offers":[{"title":"Default Title","offer_id":42196596326482,"sku":"RAMO7271350","price":1499.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1824\/4087\/files\/imgi_7_R21U-Z.png?v=1761858221","url":"https:\/\/www.speednation.co.nz\/products\/moza-r21-ultra-dd-wheel-base","provider":"Speednation","version":"1.0","type":"link"}