{"product_id":"ventus-ryuga-motor-rga-52kw-rga-81kw","title":"Ventus Ryuga Motor | RGA-52KW \u0026 RGA-81KW","description":"\u003cstyle\u003e\n  \/* Ventus Ryuga Motor product page — matches the Ventus Beast page *\/\n\n  .ryuga-motor-page {\n    width: 100%;\n  }\n\n  .ryuga-motor-page h3 {\n    margin-top: 34px;\n    margin-bottom: 14px;\n  }\n\n  .ryuga-motor-page p {\n    line-height: 1.65;\n  }\n\n  \/* Performance highlight cards *\/\n\n  .motor-highlights {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 20px;\n    margin: 34px 0 42px;\n  }\n\n  .motor-highlight-card {\n    box-sizing: border-box;\n    padding: 25px;\n    border: 1px solid #dddddd;\n    border-left-width: 5px;\n    border-radius: 10px;\n    background: #f5f5f5;\n  }\n\n  .motor-highlight-card h3 {\n    margin: 0 0 12px;\n    font-size: 21px;\n    line-height: 1.2;\n    font-weight: 800;\n  }\n\n  .motor-highlight-card p {\n    margin: 0;\n    color: #444444;\n    font-size: 16px;\n    line-height: 1.6;\n  }\n\n  .motor-highlight-power {\n    border-left-color: #d83a2e;\n  }\n\n  .motor-highlight-power h3 {\n    color: #d83a2e;\n  }\n\n  .motor-highlight-water {\n    border-left-color: #1976d2;\n  }\n\n  .motor-highlight-water h3 {\n    color: #1976d2;\n  }\n\n  .motor-highlight-control {\n    border-left-color: #7b1fa2;\n  }\n\n  .motor-highlight-control h3 {\n    color: #7b1fa2;\n  }\n\n  .motor-highlight-efficiency {\n    border-left-color: #388e3c;\n  }\n\n  .motor-highlight-efficiency h3 {\n    color: #388e3c;\n  }\n\n  \/* Compatibility guidance *\/\n\n  .motor-compatibility-intro {\n    margin: 0 0 22px;\n  }\n\n  \/* Tables *\/\n\n  .motor-table-wrap {\n    width: 100%;\n    margin: 22px 0 38px;\n    overflow: hidden;\n    border: 1px solid rgba(255, 255, 255, 0.18);\n    border-radius: 10px;\n    box-sizing: border-box;\n  }\n\n  .motor-table {\n    width: 100%;\n    margin: 0;\n    border-collapse: collapse;\n    table-layout: fixed;\n    background: #171717;\n    color: #eeeeee;\n    font-size: 14px;\n  }\n\n  .motor-table th,\n  .motor-table td {\n    padding: 11px 12px;\n    border-right: 1px solid rgba(255, 255, 255, 0.12);\n    border-bottom: 1px solid rgba(255, 255, 255, 0.12);\n    text-align: left;\n    vertical-align: top;\n    line-height: 1.45;\n    overflow-wrap: break-word;\n    word-wrap: break-word;\n  }\n\n  .motor-table th:last-child,\n  .motor-table td:last-child {\n    border-right: none;\n  }\n\n  .motor-table tbody tr:last-child td {\n    border-bottom: none;\n  }\n\n  .motor-table thead th {\n    background: #252525;\n    color: #ffffff;\n    font-size: 15px;\n    font-weight: 800;\n  }\n\n  .motor-table tbody tr:nth-child(even) {\n    background: #202020;\n  }\n\n  .motor-table tbody tr:nth-child(odd) {\n    background: #181818;\n  }\n\n  .motor-table tbody tr:hover {\n    background: #292929;\n  }\n\n  .motor-table td:first-child {\n    color: #d7d7d7;\n    font-weight: 700;\n  }\n\n  .motor-table td:not(:first-child) strong {\n    font-weight: 800;\n  }\n\n  \/* Comparison table column widths *\/\n\n  .comparison-table th:first-child,\n  .comparison-table td:first-child {\n    width: 29%;\n  }\n\n  .comparison-table th:nth-child(2),\n  .comparison-table td:nth-child(2) {\n    width: 41%;\n  }\n\n  .comparison-table th:nth-child(3),\n  .comparison-table td:nth-child(3) {\n    width: 30%;\n  }\n\n  \/* Coloured comparison headers and values *\/\n\n  .comparison-table thead th:nth-child(2) {\n    background: #b83228;\n  }\n\n  .comparison-table thead th:nth-child(3) {\n    background: #67208e;\n  }\n\n  .comparison-table td:nth-child(2) strong {\n    color: #ef6258;\n  }\n\n  .comparison-table td:nth-child(3) strong {\n    color: #c77bea;\n  }\n\n  \/* Technical table column widths *\/\n\n  .technical-table th:first-child,\n  .technical-table td:first-child {\n    width: 34%;\n  }\n\n  .technical-table th:nth-child(2),\n  .technical-table td:nth-child(2) {\n    width: 66%;\n  }\n\n  \/* Technical feature text *\/\n\n  .motor-feature-list {\n    margin: 20px 0 34px;\n  }\n\n  .motor-feature-item {\n    margin: 0 0 17px;\n    line-height: 1.65;\n  }\n\n  .motor-feature-label {\n    font-weight: 800;\n  }\n\n  .feature-bearing {\n    color: #1976d2;\n  }\n\n  .feature-rotor {\n    color: #d83a2e;\n  }\n\n  .feature-winding {\n    color: #7b1fa2;\n  }\n\n  .feature-shaft {\n    color: #388e3c;\n  }\n\n  \/* Important compatibility notice *\/\n\n  .motor-notice {\n    margin: 34px 0;\n    padding: 18px 20px;\n    border-left: 5px solid #d83a2e;\n    border-radius: 8px;\n    background: rgba(216, 58, 46, 0.12);\n    line-height: 1.6;\n  }\n\n  .motor-notice strong {\n    color: #ef6258;\n  }\n\n  .motor-controller-link {\n    font-weight: 700;\n  }\n\n  \/* Workshop section *\/\n\n  .motor-workshop-list {\n    margin-top: 10px;\n    margin-bottom: 0;\n    padding-left: 28px;\n  }\n\n  .motor-workshop-list li {\n    margin-bottom: 2px;\n    line-height: 1.4;\n  }\n\n  .ryuga-motor-page ul:not(.motor-workshop-list) {\n    margin-top: 10px;\n    padding-left: 28px;\n  }\n\n  .ryuga-motor-page ul:not(.motor-workshop-list) li {\n    margin-bottom: 2px;\n    line-height: 1.4;\n  }\n\n  \/* Tablet and mobile *\/\n\n  @media screen and (max-width: 749px) {\n    .motor-highlights {\n      grid-template-columns: 1fr;\n      gap: 15px;\n      margin: 28px 0 35px;\n    }\n\n    .motor-highlight-card {\n      padding: 21px;\n    }\n\n    .motor-highlight-card h3 {\n      font-size: 20px;\n    }\n\n    .motor-highlight-card p {\n      font-size: 15px;\n    }\n\n    .motor-table-wrap {\n      overflow-x: auto;\n      -webkit-overflow-scrolling: touch;\n    }\n\n    .comparison-table {\n      min-width: 590px;\n      table-layout: auto;\n    }\n\n    .technical-table {\n      min-width: 500px;\n      table-layout: auto;\n    }\n\n    .motor-table {\n      font-size: 13px;\n    }\n\n    .motor-table th,\n    .motor-table td {\n      padding: 10px;\n    }\n\n    .motor-table thead th {\n      font-size: 14px;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"ryuga-motor-page\"\u003e\n\u003cp\u003e\u003cstrong\u003eRace-level hairpin motor performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Ventus Ryuga Motor is built for riders pushing beyond conventional emoto performance. Available in \u003cstrong\u003e52kW and 81kW configurations\u003c\/strong\u003e, the Ryuga combines advanced hairpin motor technology, high-speed capability and precise encoder control for serious performance builds.\u003c\/p\u003e\n\u003cdiv class=\"motor-highlights\"\u003e\n\u003cdiv class=\"motor-highlight-card motor-highlight-power\"\u003e\n\u003ch3\u003eExtreme Power\u003c\/h3\u003e\n\u003cp\u003eUp to \u003cstrong\u003e52.5kW peak power\u003c\/strong\u003e for compatible lightweight emoto platforms and up to \u003cstrong\u003e81kW\u003c\/strong\u003e for the Surron Ultra Bee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"motor-highlight-card motor-highlight-water\"\u003e\n\u003ch3\u003eOff-Road Ready\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIP67 waterproof protection\u003c\/strong\u003e, high-temperature winding insulation and heavy-duty phase wiring for demanding riding conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"motor-highlight-card motor-highlight-control\"\u003e\n\u003ch3\u003ePrecision Control\u003c\/h3\u003e\n\u003cp\u003eABZP encoder technology provides accurate rotor-position feedback for smooth, controlled power delivery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"motor-highlight-card motor-highlight-efficiency\"\u003e\n\u003ch3\u003eHigh Efficiency\u003c\/h3\u003e\n\u003cp\u003eAdvanced hairpin motor construction supports strong thermal performance and up to \u003cstrong\u003e95% maximum efficiency\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCompatibility \u0026amp; Performance\u003c\/h3\u003e\n\u003cp class=\"motor-compatibility-intro\"\u003eChoose the \u003cstrong\u003eRGA-52KW\u003c\/strong\u003e for high-performance builds based on the Surron Light Bee, Ventus One Plus, Rerode R1, E Ride Pro and 79Bike platforms. The larger \u003cstrong\u003eRGA-81KW\u003c\/strong\u003e is purpose-built for advanced Surron Ultra Bee performance builds.\u003c\/p\u003e\n\u003cdiv class=\"motor-table-wrap\"\u003e\n\u003ctable class=\"motor-table comparison-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eRGA-52KW\u003c\/th\u003e\n\u003cth\u003eRGA-81KW\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Bikes\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e Surron Light Bee\u003cbr\u003eVentus One Plus\u003cbr\u003eRerode R1\u003cbr\u003eE Ride Pro\u003cbr\u003e79Bike \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSurron Ultra Bee\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power at 72V\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e38.4kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60.3kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power at 96V\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e52.5kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e81kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Torque\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e91Nm at 850A\u003cbr\u003e68Nm at 560A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e114Nm at 1400A\u003cbr\u003e73Nm at 850A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Weight\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10.4kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e12.7kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKV Rating\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e83.3KV\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e118KV\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Rotor Speed\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14,000 RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14,000 RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Efficiency\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e95%\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e95%\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Wire Size\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e25mm²\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e35mm²\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Dimensions\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eØ173 × 154.9mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eØ173 × 180.8mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVentus Tested Speed at 72V\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e135km\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e170km\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVentus Tested Speed at 96V\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e165km\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e195km\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIP67\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIP67\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eEngineered for Serious Performance\u003c\/h3\u003e\n\u003cp\u003eUnlike conventionally wound motors, the Ryuga uses advanced hairpin construction to achieve high winding density, strong thermal performance and efficient high-current operation.\u003c\/p\u003e\n\u003cdiv class=\"motor-feature-list\"\u003e\n\u003cp class=\"motor-feature-item\"\u003e\u003cspan class=\"motor-feature-label feature-bearing\"\u003ePrecision ABZP Encoder:\u003c\/span\u003e Accurate rotor-position feedback supports smooth response and controlled power delivery with compatible high-output controllers.\u003c\/p\u003e\n\u003cp class=\"motor-feature-item\"\u003e\u003cspan class=\"motor-feature-label feature-rotor\"\u003eHigh-Speed Rotor:\u003c\/span\u003e Both Ryuga motors are rated for maximum rotor speeds of up to 14,000 RPM.\u003c\/p\u003e\n\u003cp class=\"motor-feature-item\"\u003e\u003cspan class=\"motor-feature-label feature-winding\"\u003eHairpin Motor Construction:\u003c\/span\u003e High-density hairpin windings support extreme power, improved thermal performance and efficient high-current operation.\u003c\/p\u003e\n\u003cp class=\"motor-feature-item\"\u003e\u003cspan class=\"motor-feature-label feature-shaft\"\u003eHeavy-Duty Phase Wiring:\u003c\/span\u003e The RGA-52KW uses 25mm² phase wiring, while the RGA-81KW uses larger 35mm² phase wiring for its higher-current capability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"motor-table-wrap\"\u003e\n\u003ctable class=\"motor-table technical-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eHairpin Motor\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNatural Air Cooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition Sensor\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eABZP Encoder\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Sensor\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNTC 10K B3905\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePole Pairs\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Efficiency\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e95%\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding Insulation Temperature Rating\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e250°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Rotor Speed\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14,000 RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIP67\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"motor-notice\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e The RGA-52KW and RGA-81KW are designed for different bike platforms and are not interchangeable. Ventus speed figures are manufacturer test results, not guaranteed vehicle speeds. Actual performance depends on the complete battery, controller, wiring, gearing, wheel size, tune and riding conditions.\u003c\/div\u003e\n\u003ch3\u003eNot sure which Ryuga Motor is right for your bike?\u003c\/h3\u003e\n\u003cp\u003eContact the Shock Moto team for expert advice on motor compatibility, controllers, batteries and complete performance builds.\u003c\/p\u003e\n\u003cp\u003eFor maximum performance, we recommend pairing the Ventus Ryuga Motor with the \u003ca class=\"motor-controller-link\" href=\"https:\/\/www.shockmoto.co.nz\/products\/ventus-aetos-v9600-gen2-controller\" rel=\"noopener\" target=\"_blank\"\u003e Ventus AETOS V9600 GEN2 Controller \u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eNeed help building the ultimate eMoto?\u003c\/h3\u003e\n\u003cp\u003eOur Wellington workshop can supply and install complete performance packages tailored to your bike, riding style and power goals.\u003c\/p\u003e\n\u003cul class=\"motor-workshop-list\"\u003e\n\u003cli\u003ePerformance motor and controller installation\u003c\/li\u003e\n\u003cli\u003eBattery and voltage upgrade advice\u003c\/li\u003e\n\u003cli\u003eController setup and tuning\u003c\/li\u003e\n\u003cli\u003eDrivetrain and gearing recommendations\u003c\/li\u003e\n\u003cli\u003eComplete customised performance builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Buy From Shock Moto?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOfficial New Zealand Ventus dealer\u003c\/li\u003e\n\u003cli\u003eGenuine Ventus products\u003c\/li\u003e\n\u003cli\u003eNew Zealand-held stock\u003c\/li\u003e\n\u003cli\u003eLocal technical and warranty support\u003c\/li\u003e\n\u003cli\u003eExpert performance upgrade advice\u003c\/li\u003e\n\u003cli\u003eFast nationwide shipping\u003c\/li\u003e\n\u003cli\u003eWorkshop installation available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ventus","offers":[{"title":"52KW","offer_id":42443980308535,"sku":"RGA-52KW","price":2300.0,"currency_code":"NZD","in_stock":true},{"title":"81KW","offer_id":42443980341303,"sku":"RGA-81KW","price":2600.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/7690\/0919\/files\/VentusRyuga81KwMotor.jpg?v=1789523183","url":"https:\/\/www.shockmoto.co.nz\/products\/ventus-ryuga-motor-rga-52kw-rga-81kw","provider":"Shock Moto Ltd","version":"1.0","type":"link"}