{"product_id":"kunray-brushless-motor-controller-1000w-3000w-motor-heat-sink-for-electric-scooter-e-bike-engine-motorcycle-electric-bicycle","title":"Kunray Brushless BLDC Motor \u0026 Controller Kit 1000W–3000W (36V–72V) with Removable Heat Sink for E-Scooter, E-Bike \u0026 Go-Kart","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #202223; line-height: 1.6; max-width: 100%;\"\u003e\n\n  \u003cp style=\"font-size: 16px; margin-bottom: 20px;\"\u003e\n    Supercharge your custom EV build, electric scooter, e-bike, mini bike, or go-kart with the \u003cstrong\u003eKunray High-Speed Brushless DC (BLDC) Motor \u0026amp; Intelligent Controller Powertrain Kit\u003c\/strong\u003e. Engineered for demanding performance, this brushless system delivers rapid acceleration, brutal climbing torque (up to 6.9 N·m), and sustained high-RPM power across \u003cstrong\u003e36V, 48V, 60V, and 72V\u003c\/strong\u003e platforms ranging from \u003cstrong\u003e1000W up to 3000W\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-size: 16px; margin-bottom: 20px;\"\u003e\n    Upgraded with a precision-machined \u003cstrong\u003eremovable extruded aluminum heat sink sleeve\u003c\/strong\u003e and 140 dual-sided ventilation openings, this motor runs significantly cooler under continuous heavy loads—preventing thermal throttling and extending stator lifespan. Whether you need a standalone motor replacement or a complete ready-to-run powertrain conversion package with matching speed controllers, throttles, and T8F drive components, Kunray provides professional-grade EV propulsion.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"background-color: #f0fdf4; border-left: 4px solid #008060; padding: 14px 18px; margin-bottom: 24px; border-radius: 0 8px 8px 0;\"\u003e\n    \u003cp style=\"margin: 0; font-size: 14px; color: #166534; font-weight: 500;\"\u003e\n      🚚 \u003cstrong\u003eTransparent Pricing:\u003c\/strong\u003e All variant prices include a dedicated $100 USD express freight allowance to ensure safe, traceable, door-to-door delivery of heavy-gauge motors and powertrain components worldwide.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sae5b23059ee746f2a520f259ae3ad0b11.jpg\" alt=\"Kunray BLDC Brushless Motor with Aluminum Heat Sink and Conversion Kit Components\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n  \u003ch2 style=\"font-size: 20px; font-weight: 700; color: #111; margin-top: 32px; margin-bottom: 12px; border-bottom: 2px solid #008060; padding-bottom: 6px;\"\u003eKey Highlights \u0026amp; Engineering Advantages\u003c\/h2\u003e\n  \u003cul style=\"padding-left: 20px; margin-bottom: 24px;\"\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eHigh-Power Brushless Motor (1000W–3000W):\u003c\/strong\u003e Pure copper stator windings and high-grade neodymium rotor magnets deliver industry-leading energy efficiency (\u0026gt;83%) and minimal electrical resistance.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eRemovable Aluminum Heat Sink:\u003c\/strong\u003e Upgraded finned aluminum cooling jacket clips directly onto the motor casing, dissipating heat rapidly to maintain peak torque during aggressive rides.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eDual-Sided 140-Vent Airflow:\u003c\/strong\u003e Front and rear end-plates feature 140 precision-drilled ventilation ports for continuous internal airflow.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eWide Voltage Compatibility (36V–72V):\u003c\/strong\u003e Tailored voltage and wattage configurations supporting 36V, 48V, 60V, and 72V battery systems.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eIndustrial 24-MOSFET BLDC Controller:\u003c\/strong\u003e 45A heavy-duty intelligent controller features 3-speed switching (Low\/Mid\/High), reverse drive, electronic cruise control, regenerative braking, hall sensor monitoring, and anti-theft alarm power.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eHeavy-Duty T8F Drive System:\u003c\/strong\u003e Fitted with an 11-tooth T8F drive sprocket engineered for heavy-duty mini-bike and go-kart chains.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eMultiple Control Options:\u003c\/strong\u003e Available with ergonomic twist throttles (featuring digital LED voltmeters and ignition key locks) or heavy-duty floor-mounted foot pedal accelerators.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf0ea2fa3d54246b3a5a29fc17dd2e9edd.jpg?width=800\u0026amp;height=894\u0026amp;hash=1694\" alt=\"KRMY1020 BLDC Motor Power Torque and RPM Specifications Table\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3af6058aa7864978b3027a72c771ea60F.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Kunray BLDC Motor and Controller Physical Dimensions\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfc3c162cb63f48eab61bba76119f127aW.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Heavy-Gauge Motor Phase Cables and Hall Sensor Plug\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n  \u003ch2 style=\"font-size: 20px; font-weight: 700; color: #111; margin-top: 32px; margin-bottom: 12px; border-bottom: 2px solid #008060; padding-bottom: 6px;\"\u003eMotor Output \u0026amp; Performance Matrix\u003c\/h2\u003e\n  \u003cdiv style=\"overflow-x: auto; margin-bottom: 24px;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; border: 1px solid #e1e3e5;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #f7f8f9;\"\u003e\n          \u003cth style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003eConfiguration\u003c\/th\u003e\n          \u003cth style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003eRated Voltage\u003c\/th\u003e\n          \u003cth style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003eRated Current\u003c\/th\u003e\n          \u003cth style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003eRated Torque\u003c\/th\u003e\n          \u003cth style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003eRotating Speed (RPM)\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003e36V 1000W\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e36V DC\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e27.7 A\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5.7 N·m\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e3,750 RPM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafbfc;\"\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003e48V 1000W\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e48V DC\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e20.8 A\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5.1 N·m\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e4,650 RPM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003e48V 1500W\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e48V DC\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e30.0 A\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5.1 N·m\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e4,100 RPM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafbfc;\"\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003e48V 1600W\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e48V DC\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e34.0 A\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5.1 N·m\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e4,350 RPM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003e48V 2000W\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e48V DC\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e42.0 A\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e\u003cstrong\u003e6.9 N·m\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5,650 RPM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafbfc;\"\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003e60V 2000W\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e60V DC\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e35.0 A\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5.1 N·m\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5,400 RPM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003e60V 2500W\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e60V DC\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e45.0 A\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5.6 N·m\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5,800 RPM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafbfc;\"\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003e72V 3000W\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e72V DC\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e45.0 A\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e5.4 N·m\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e\u003cstrong\u003e6,700 RPM\u003c\/strong\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6e74b33f018b4f3c82976e04bb6c8e0fx.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"T8F 11-Tooth Motor Drive Sprocket and Mounting Hardware\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2b295373b9894a1da8f02c4641fee0a8q.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Brushless DC Motor Integrated Frame Mounting Bracket\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sef26ce3bf0e44867a7dc11616364ca7bF.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"High-Torque High-Speed Electric Scooter and Off-Road EV Application\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sefb3a2b2043248f6abbc6a3777d00794h.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Dual-Sided 140 Ventilation Holes for Rapid Heat Dissipation\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdd46c73fcea44ac2a0754388525c14e98.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Removable Finned Aluminum Heat Sink Sleeve Installation\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8839ed212f4c47239a4e61dd6dc1e193W.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Full Powertrain Conversion Kit Package Overview\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n  \u003ch2 style=\"font-size: 20px; font-weight: 700; color: #111; margin-top: 32px; margin-bottom: 12px; border-bottom: 2px solid #008060; padding-bottom: 6px;\"\u003eBrushless Speed Controller Options \u0026amp; Wiring\u003c\/h2\u003e\n  \u003cp style=\"font-size: 15px; margin-bottom: 16px;\"\u003e\n    Kunray high-efficiency brushless controllers come pre-wired with labeled connectors for hassle-free wiring:\n  \u003c\/p\u003e\n  \u003cul style=\"padding-left: 20px; margin-bottom: 24px;\"\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003ePhase Wires (Yellow, Green, Blue):\u003c\/strong\u003e Ring terminal eyelets for direct, high-current connection to motor phase lugs.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eHall Sensor Plug:\u003c\/strong\u003e 5-wire \/ 6-pin white connector for real-time motor rotor angle synchronization.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003ePower \u0026amp; Ignition:\u003c\/strong\u003e Thick Red (Battery +), Thick Black (Battery -), and Orange\/Red E-lock ignition switch wire.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSpeed Control (Throttle):\u003c\/strong\u003e 3-wire throttle plug (5V, Signal, GND) compatible with twist grips, thumb throttles, or pedal pots.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e3-Speed Switch:\u003c\/strong\u003e Selectable Low (80%), Mid (100%), and High (110%) performance curves.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eReversing Circuit:\u003c\/strong\u003e Instant forward\/reverse toggle for electric karts, trikes, and mobility chassis.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eBrake Inputs:\u003c\/strong\u003e Low-level and high-level electronic brake cutoffs for instant motor disengagement.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2ba49596ef6143c481bb35a6a0cae3f85.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"1000W Brushless Motor Controller Wiring Schematic\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scc3a567a6ea343e392eade5405b74296l.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"1000W Controller Wire Connectors and Functions\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5d7c29b32b75410a9736e8d6185fb93cU.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"2000W and 3000W 45A Controller Wiring Diagram\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfcf63aa1ae934cbeaea89e8afc33fd32K.jpg\" alt=\"Heavy-Duty Foot Pedal Accelerator for Go-Karts and Trikes\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S21f0e4e4043f43639c1636c4a7391c22E.jpg\" alt=\"Twist Throttle Grip with Digital LCD Voltage Display and Key Lock\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S206cff2e63bc4b2099921479e6d69309I.jpg\" alt=\"Handlebar 3-Speed Switch with Reverse Function\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Saf60ad52bb0d4e7680061248adf0b91dY.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"T8F High-Tensile Drive Chain and Driven Sprocket Plate\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S89f2694422c74cf3a9decf737b5ee84dn.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Electric Power Lock Switch with Ignition Keys\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa887071f6cda40238af0e619c0d5f184n.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Safety Electric Brake Cutoff Levers\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdbfc1bc8def948d2982de90dc3e9c40ex.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" alt=\"Complete Motor, Controller, Throttle, and Chainset Assembly\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n  \u003ch2 style=\"font-size: 20px; font-weight: 700; color: #111; margin-top: 32px; margin-bottom: 12px; border-bottom: 2px solid #008060; padding-bottom: 6px;\"\u003eVariant Guide: Motor Only vs. Complete Conversion Kit\u003c\/h2\u003e\n  \u003cdiv style=\"overflow-x: auto; margin-bottom: 24px;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; border: 1px solid #e1e3e5;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #f7f8f9;\"\u003e\n          \u003cth style=\"padding: 10px 14px; border: 1px solid #e1e3e5; width: 30%;\"\u003eComponent\u003c\/th\u003e\n          \u003cth style=\"padding: 10px 14px; border: 1px solid #e1e3e5; width: 35%;\"\u003eMotor Only Option\u003c\/th\u003e\n          \u003cth style=\"padding: 10px 14px; border: 1px solid #e1e3e5; width: 35%;\"\u003eComplete Kit Option\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003eBLDC Motor\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✔ Included (with T8F 11T Sprocket)\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✔ Included (with T8F 11T Sprocket)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafbfc;\"\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003eAluminum Heat Sink\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✔ Included (Removable Clip-on)\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✔ Included (Removable Clip-on)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003eBrushless Controller\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✘ Sold Separately\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✔ Matched Heavy-Duty Controller\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafbfc;\"\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003eThrottle \u0026amp; Controls\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✘ Sold Separately\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✔ LCD Keyed Twist Throttle \/ Foot Pedal\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003eDrive Chain \u0026amp; Sprocket\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✘ Sold Separately\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✔ T8F Chain \u0026amp; Driven Sprocket Plate\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafbfc;\"\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5; font-weight: 600;\"\u003eSwitches \u0026amp; Brakes\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✘ Sold Separately\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 14px; border: 1px solid #e1e3e5;\"\u003e✔ 3-Speed Switch, Reverse \u0026amp; Brake Levers\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd1c942b9397f4f81b4b1b4a0ee01632fk.jpg?width=800\u0026amp;height=1207\u0026amp;hash=2007\" alt=\"Kunray Production Facility and Automated Testing Labs\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se1c1c94e79374fb4a4e331d0eb8601d4I.jpg?width=800\u0026amp;height=850\u0026amp;hash=1650\" alt=\"Quality Control Inspection and Product Certification\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n  \u003ch2 style=\"font-size: 20px; font-weight: 700; color: #111; margin-top: 32px; margin-bottom: 12px; border-bottom: 2px solid #008060; padding-bottom: 6px;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n  \u003cdiv style=\"margin-bottom: 24px;\"\u003e\n    \u003cp style=\"font-weight: 700; margin-bottom: 4px; color: #111;\"\u003eQ: What vehicles and DIY builds can this motor kit be installed on?\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 16px; color: #333;\"\u003eA: The Kunray KRMY1020\/KRMY1029 series is an extremely versatile mid-drive\/external-mount BLDC motor. It is popular for custom electric go-karts, stand-up electric scooters, dirt bikes, ATVs, electric golf carts, mini choppers, and custom electric trikes.\u003c\/p\u003e\n\n    \u003cp style=\"font-weight: 700; margin-bottom: 4px; color: #111;\"\u003eQ: Why is the removable aluminum heat sink important?\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 16px; color: #333;\"\u003eA: High-power brushless motors draw up to 45A during prolonged hill climbs and high-speed runs. The finned aluminum heat sink dramatically increases surface area, drawing heat away from internal windings to prevent thermal degradation and power fade.\u003c\/p\u003e\n\n    \u003cp style=\"font-weight: 700; margin-bottom: 4px; color: #111;\"\u003eQ: What drive chain does the motor sprocket fit?\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 16px; color: #333;\"\u003eA: The motor comes fitted with an 11-tooth T8F drive sprocket designed for standard T8F chain. (A 25H sprocket can also be fitted if required for smaller scooters).\u003c\/p\u003e\n\n    \u003cp style=\"font-weight: 700; margin-bottom: 4px; color: #111;\"\u003eQ: Can the motor run in reverse?\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 16px; color: #333;\"\u003eA: Yes. All complete kits include a 3-speed \/ reverse switch that activates the controller's dedicated electronic reverse circuit, ideal for go-karts and utility vehicles.\u003c\/p\u003e\n\n    \u003cp style=\"font-weight: 700; margin-bottom: 4px; color: #111;\"\u003eQ: What battery should I use?\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 16px; color: #333;\"\u003eA: Always match your battery nominal voltage to the motor and controller configuration (e.g., a 48V kit requires a 48V nominal lithium or lead-acid pack, a 72V kit requires a 72V pack). We recommend a high-drain battery capable of delivering continuous 40A–50A discharge.\u003c\/p\u003e\n\n    \u003cp style=\"font-weight: 700; margin-bottom: 4px; color: #111;\"\u003eQ: What warranty and customer service does E Smart Way provide?\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 16px; color: #333;\"\u003eA: E Smart Way backs all powertrain components with a comprehensive 1-year manufacturer defect warranty, pre-shipment bench testing, and responsive technical support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 style=\"font-size: 20px; font-weight: 700; color: #111; margin-top: 32px; margin-bottom: 12px; border-bottom: 2px solid #008060; padding-bottom: 6px;\"\u003eShipping \u0026amp; Delivery Information\u003c\/h2\u003e\n  \u003cdiv style=\"background-color: #f9fafb; border: 1px solid #e1e3e5; border-radius: 8px; padding: 18px; margin-bottom: 20px;\"\u003e\n    \u003cp style=\"margin-bottom: 10px; font-size: 14px; color: #444;\"\u003e\n      \u003cstrong\u003eExpress Tracked Shipping:\u003c\/strong\u003e Heavy-gauge motors and powertrain conversion kits are carefully packaged with shock-absorbing foam and dispatched with full door-to-door tracking. All listed variant prices include a dedicated $100 USD express freight allowance.\n    \u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 10px; font-size: 14px; color: #444;\"\u003e\n      \u003cstrong\u003eCustoms \u0026amp; Import Duties:\u003c\/strong\u003e Depending on destination regulations, international shipments may occasionally be subject to local VAT, customs clearance fees, or import duties charged by local authorities. These fees remain the customer's responsibility.\n    \u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 0; font-size: 14px; color: #444;\"\u003e\n      \u003cstrong\u003eAccurate Delivery Details:\u003c\/strong\u003e Please verify your phone number and delivery address at checkout to ensure swift customs clearance and courier coordination.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Kunray","offers":[{"title":"48V2000W \/ China Mainland","offer_id":67658097918166,"sku":"1005008269843519-48V2000W-China Mainland","price":440.68,"currency_code":"USD","in_stock":true},{"title":"48V1000W Kits \/ China Mainland","offer_id":67658097950934,"sku":"1005008269843519-48V1000W Kits-China Mainland","price":510.68,"currency_code":"USD","in_stock":true},{"title":"48V1800W  Kits \/ China Mainland","offer_id":67658097983702,"sku":"1005008269843519-48V1800W  Kits-China Mainland","price":521.68,"currency_code":"USD","in_stock":true},{"title":"48V2000W Kits \/ China Mainland","offer_id":67658098016470,"sku":"1005008269843519-48V2000W Kits-China Mainland","price":604.68,"currency_code":"USD","in_stock":true},{"title":"60V2500W  Kits \/ China Mainland","offer_id":67658098049238,"sku":"1005008269843519-60V2500W  Kits-China Mainland","price":620.68,"currency_code":"USD","in_stock":true},{"title":"72V3000W Kits \/ China Mainland","offer_id":67658098082006,"sku":"1005008269843519-72V3000W Kits-China Mainland","price":638.68,"currency_code":"USD","in_stock":true},{"title":"36V1000W \/ China Mainland","offer_id":67658098114774,"sku":"1005008269843519-36V1000W-China Mainland","price":407.68,"currency_code":"USD","in_stock":true},{"title":"72V3000W \/ China Mainland","offer_id":67658098147542,"sku":"1005008269843519-72V3000W-China Mainland","price":442.68,"currency_code":"USD","in_stock":true},{"title":"36V1000W Kits \/ China Mainland","offer_id":67658098180310,"sku":"1005008269843519-36V1000W Kits-China Mainland","price":510.68,"currency_code":"USD","in_stock":true},{"title":"60V2000W Kits \/ China Mainland","offer_id":67658098213078,"sku":"1005008269843519-60V2000W Kits-China Mainland","price":510.68,"currency_code":"USD","in_stock":true},{"title":"48V1500W Kits \/ China Mainland","offer_id":67658098245846,"sku":"1005008269843519-48V1500W Kits-China Mainland","price":514.68,"currency_code":"USD","in_stock":true},{"title":"48V1600W Kits \/ China Mainland","offer_id":67658098278614,"sku":"1005008269843519-48V1600W Kits-China Mainland","price":521.68,"currency_code":"USD","in_stock":true},{"title":"48V1000W \/ China Mainland","offer_id":67658098311382,"sku":"1005008269843519-48V1000W-China Mainland","price":407.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/5878\/6893\/files\/Sa41e6e2b79804528acc1578cca533d0ai.webp?v=1792561732","url":"https:\/\/e-smartway.com\/products\/kunray-brushless-motor-controller-1000w-3000w-motor-heat-sink-for-electric-scooter-e-bike-engine-motorcycle-electric-bicycle","provider":"E Smart Way ","version":"1.0","type":"link"}