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QSMOTOR 138-C 3000W High Torque Mid-train Internal Gear With Fardriver Controller ND72530 For E-Vehicle Electric Motorcycle. Package List: l3000W QS138-C Mid-Drive Motor with Internal gear reductionlFardriver Controller ND72530 with extra Bluetooth Adapter(Green) lFull twist throttle (3pin)l428 Chain sprocket 14T Introducing the QS138-C 70H 3000W V3 Mid Drive Motor with Internal Gear Box 1:2.35 Ratio, a high-quality electric bicycle component that is perfect for any universal bike type. This motor is designed with a 72V voltage and is made by the trusted brand QS. The set includes the motor, controller, throttle, and sprocket, making it a convenient all-in-one purchase. The motor weighs 40 lb and is made in China. It is part type motor and is compatible with any universal bike type. This item is perfect for any cycling enthusiast looking to upgrade their electric bicycle. This 3000W Mid Drive Motor (V3 Version) is an ideal solution for Dirt Bike, Go Kart, ATV, Motorcycle…This motor has 1:2.36 gear reduction inside, the rotating is up to 1900rpm – 2500rpm after reduction.The output torque is more than 120N.m in the shaft end.The spline shaft can fit different type sprocket wheel and pulley, more convenient for varies application.3000W Mid Drive Motor (1:2.36 reduction gear box inside)1) Motor Brand: QS Motor, QSMOTOR, Customized Brand.2) Motor Type: 138 DC Brushless Permanent Magnet Motor, PMSM3) Motor Design: Mid Drive with Single Axle4) Motor Shaft: Spline Shaft.5) Magnet: strong V magnet 70H.6) Diameter of Motor: 162mm7) Length of Motor: 231mm.8) Power: 3000W (Peck 5500w).9) Recommended Work Voltage: DC 72V.10) Rotating: maximum 1900rpm – 2500rpm (after reduction)11) Maximum Speed: 80km/h to 100km/h.12) Torque: 35N.m to 55N.m.13) Maximum Torque: more than 120N.m after reduction.14) Maximum Efficiency: 92%15) Waterproof Grade: IP54.16) Net Weight: 12.3kgs (27 lbs).The 19:45 reduction gear box inside, much easily for double step transmission with better acceleration. Features:The ND series Hall one-line pass-through controller is a high-end high-power permanent magnet synchronous motor controller with the advantages of high quality, high efficiency, and intelligence. It is suitable for vehicle applications of various Hall motors.It is suitable for middle and high speed motorcycles with in-wheel motors, mid-mounted motors, and high-end electric tricycles.Using high-quality fully imported MOS core, full metal shielding and aluminum die heat dissipation structure, the hardwarearchitecture and software implementation are perfectly matched and refined.Rich software parameter configuration：* Monitor and configure the controller through the visual computer interface, and update and upgrade online.* The current at different speeds can be adjusted online.* The maximum speed of forward and backward, economic speed can be set.* The overall bus current and phase current can be set.* The accelerator pedal threshold can be set to adjust the response sensitivity of the pedal.Perfect protection function：Monitor working voltage, current, temperature, motor, gear, accelerator pedal, brake, etc. Ensure the safety of vehicle driving controlItem Shipping and Feedback:1. Please check your name, address, and phone number is right.2.This product will be shipped from USA Los Angeles warehouse (FedEx Ground economy), it takes about 7 business days .3. After you place a order, we will ship out your goods as soon as possible, please check the tracking timely.4. If you can?t find the tracking, please let us know, we will provide a positive feedback to you.5.We will be appreciated of that you leave us a 5 star feedback if you are satisfied with our goods.6.If you have any problems with our goods, please contact us first!!! We will do our best service to help you.7.Any questions, don?t hesitate to contact us.

QS138-C 90H V3 with 1:2.37 gear box 4000w Mid drive motor kit- Motor Spec -Motor Type: PMSM Motor With Hall SensorRated Power: 4000W (13500W peak in few seconds)Rated Voltage: 72VMagnet Height: 90mm, 5 pole pairsMotor Gear Ratio: 1:2.35Speed: 4800RPM (basic RPM), 7000RPM peak with flux weakeningMotor Design: Single axleRated Torque: 32N.mMax Torque: 150N.mMax Efficiency: approx 93%Rated Current: 60A Peak Battery Current: 200A Working Temperature: 70-120℃ , peak 150 ℃Hall Sensor: Single Hall Set with waterproof connectorWaterproof Grade: IP66Cooling: Air coolingColor: BlackN.W./G.W.: approx 14.5kg/16.5kgPackage Dimension: 34cm*34cm*33cmKey Features: 1) Light weight and small dimension compare to hub motor 2) High performance benefit from flux weakening 3) High efficiency during climbing, and better acceleration 4)Support regenerative braking For QS138 4000W V3 mid drive motor , it could be used for electric light motorcycle dirtbike.E-motorcycle weight, approx 130kg+2*80kgClimbing slope: 30°@208kgBattery: 72V50Ah 300A bms One set including below kits: 1pc*QS138-C 90H V3 mid drive motor with 1:2.36 gear box1pc*ND72680 Fardriver controller (blue color build-in bluetooth version)1pc * 428 14T sprocket1pc * 3pin Throttle OR 1 * QS138-C 90H V3 mid drive motor with 1:2.36 gear box1* 428-14T sprocket Introducing the QS138-C 90H 4000W V3 Mid Drive Motor with Internal Gear Box 1:2.35 Ratio, a high-quality electric bicycle component that is perfect for any universal bike type. This motor is designed with a 72V voltage and is made by the trusted brand QS. The set includes the motor, controller, throttle, and sprocket, making it a convenient all-in-one purchase. The motor weighs 40 lb and is made in China. It is part type motor and is compatible with any universal bike type. This item is perfect for any cycling enthusiast looking to upgrade their electric bicycle. Shipping and Feedback:1. Please check your name, address, and phone number is right.2.This product will be shipped from USA Los Angeles warehouse (FedEx Ground economy), it takes about 7 business days .3. After you place a order, we will ship out your goods as soon as possible, please check the tracking timely.4. If you can’t find the tracking, please let us know, we will provide a positive feedback to you.5.We will be appreciated of that you leave us a 5 star feedback if you are satisfied with our goods.6.If you have any problems with our goods, please contact us first!!! We will do our best service to help you.7.Any questions, don’t hesitate to contact us.