China 1000W Mid Drive Motor kits 420 Sprocket with EM50SP controller for electric scooter bike sprocket bolts

Design Amount: Mid push motor
Warranty: Give
Solution Identify: 1000W ninety 70H Mid Drive Motor kits 420 Sprocket with EM50SP controller
Voltage(V): 60V or 72V(as default)
Output Power(W): 1000W
Utilization: electric powered scooter/e-bike/e-motorcycle
Type: Mid travel motor
Efficiency: eighty four~ninety%
Speed: 60V@45KPH 72V@55KPH
Shade: Black
Waterproof Grade: IP54
Certification: ISO9001, CCC, CE
Packaging Details: Carton Box

1000W 90 70H Mid Generate Motor kits 420 Sprocket with EM50SP controller for electrical scooter
For 90 1000W mid drive motor, it could be utilised for electric powered scooter, electric powered motorbike.
It could be 72V 55KPH, available for 10inch wheel kits.
QS can give tailored 420 14teeth sprocket to match with 1kW mid travel motor.

Kits like
one. 1pcs X QSMOTOR 1000W PMSM IPM mid drive motor with sprocket 420 fourteen enamel
two. 1pcs X Votol EM50SP sine wave motor controller
three. 1pcs X DKD Liquid crystal display speedometer
four. 1pcs X Z6 throttle with mixture change

Key Features
1) Light weight and small dimension examine to hub motor
two) High performance advantage from flux weakening
3) Higher effeciency for the duration of climbing, and greater acceleration
4) Assist regenerative braking

Product description
1. QSMOTOR 1000W 90 80H Mid Generate Motor

  • Item: QS Motor 1000W ninety 80H Mid Drive Motor
  • Motor Sort: BLDC Long term Magnet Interior Rotor Motor With Corridor Sensor
  • Manufacturer: QS Motor, QSMOTOR
  • Motor Style: Solitary axle
  • Matched Wheel: 10inch Wheel (as default)
  • Magnet Height: 80mm, 5 pole pairs
  • Diameter of stator: 120mm
  • Rated Electricity: 1000W
  • Rated Voltage: 60V or 72V(as default)
  • Velocity: 60V@45KPH 72V@55KPH
  • Max Torque: approx 25.2N.m without having Reduction ratio, approx 134.0N.m with 1:5.3 Reduction ratio
  • Max Effectiveness: ninety.5%
  • Thermal Probe: None as default (KTY83/122 is available, if you require, please allow product sales guy know).
  • Solitary Hall Plate with water-resistant connectors
  • 6mm² Cross Section of Period Wire (not consist of insulation layer)
  • Corridor Sensor Phasing angle: 120 diploma
  • Waterproof Quality: IP54
  • Coloration: Black
  • N.W./G.W.: 7.8kgs/9.1kgs
  • Deal Dimension: 34cm*34cm*33cm
  • Images Show

    Drawing(for typical)

    Take a look at Report

    2. EMfiftySP 72V sinusoidal wave BLDC motor controller
    Sine wave controller, programmable, with regen operate
    Web excess weight: 955g
    Rated present: 60A
    Increase present: 190
    Max. Electrical power: 4320W
    Flux Weakening Ratio: a hundred~250%
    Max. Efficiency: 88~ninety three%
    Diploma of safety: IP67
    Pictures Show

    Drawing(for typical)

    3. DKD Liquid crystal display speedometer, can-bus(optional, CZPT adaptable Double Disc coupling LIN as default)
    It show D N R, P, S equipment, and battery current X5/10.
    P.s.: If the functioning battery will not have can-bus communication, then the can-bus speedometer will exhibits absence of electric power constantly.
    So, we recommend to do the speedometer as Line interaction version if shopper cannot get can-bus battery.

    4. Z6 throttle with mix change
    With Reverse, Parking button( throttle on/off), 3 slide switch gear, s/increase button, Light and Horn.
    It match with VOTOL controller effectively.

    Remember to noted:
    Optional physical appearance, drawing, functionality curve/test report are available.
    If you want more complex info, remember to come to feel totally free to make contact with us.
    We will give you reply in 12hours.


    How to Advise you suitable motors?
    To begin with, To personalize a appropriate electric powered hub motor for your motor vehicle, could you please notify the points in below?
    one. E-bicycle, E-scooter, High torque Clamp Sort corrugated shaft coupling Factory direct sale flexible stainless steel bellows coupling Scorching Sale E-tricycle or E-auto?
    2. Fat of car with battery, loading bodyweight (excess weight with load only)?
    three. Tire design/diameter?
    four. Rated voltage and wattage of motor, nominal pace/top speed, and climb angle or torque @ what velocity?
    five. Battery nominal voltage, CZPT voltage, potential and vehicle assortment?
    six. What is actually the fall-outs/rear fork width of your frame?
    Inside of your information details, we could make evaluation and calculation accordingly for your undertaking

    Organization Details About US
    SIAECOSYS is an union of manufactories in electric powered driving business, and belongs to HangZhou SIA Trading Co., Ltd that set from QS Manufacturing facility in 2013 year.
    At present, far more than eighty best factories be a part of SIAECOSYS, and they are inclined to supply customized goods and service for international buyers who has passion in e-scooter/tricycle/vehicle business.
    SIAECOSYS target on arranging member factories with each other to customize certain e-driving program remedy and merchandise for distinct specifications from buyers in the world.
    These days, SIAECOSYS has a lot more than 5000 clients from the entire world and much more than 40 buyers send out inquiry every single day.
    SIAECOSYS has sale section, Engineering office, Good quality inspection office, general accounting department, obtain division and after-sale services section.

    FAQQ1. Are you trader or manufacture?
    A: We’re manufacture.

    Q2. How lengthy is your manufacturing time?A: Usually, Custom design standard stretch flange kind SWC-BF cardan shaft the manufacturing time period is twelve-14 operating times(6 working days for each week).
    The distinct shipping time relies upon on the items and the amount of your buy.Q3. How prolonged is your guarantee time?
    A: For motor, the guarantee time is 1 yr and 3 months. For other elements, the guarantee time is 1 yr.

    This fall. About Customs Clearance
    For some particular nations with rigid customs for import, so pls. confirm it to begin with to us that you have capability to do customs clearance, in any other case we will not get on heavy duties for this issue, return money and items are not assist.
    Particular nations listing:
    Argentina, Brazil, Egypt, Turkey, Iran,Portugal,Romania, Kazakhstan, Ukraine, Yeman and many others.
    Some international locations name not listed, the salesman will notify you in time if you put the purchase on the web right. Thank you for your understanding.

    05. Does your items with CE certification?
    Yes, our motor with Certification (CE, CCC), SWC-BH regular flex welding sort common coupling skilled tailored cardan shaft coupling industrial tools and our factory with certification of ISO9001, TS86949


    Sprocket Basics

    When it comes to sprockets, it’s important to understand the basics of design. This includes chain size and number of teeth. The number of teeth will vary depending on the type of chain and application. When determining the number of teeth, the angle between the teeth should be at least 360 degrees.


    There are many factors to consider when choosing the correct sprocket size. The first thing to do is to determine if the sprocket is a double sprocket or a single sprocket. Also available in a variety of sizes. To determine the exact size, you should measure the distance between the grooves of the sprocket teeth and their opposite tooth slots. The distance between these two points is called the caliper diameter.
    The size of the sprockets also varies depending on the type of chain. Large sprockets have arms, while smaller sprockets usually don’t. The arms reduce weight and inertia, making them more economical to operate. Some sprockets also have openings, which make them easier to assemble and disassemble. Some sprockets are also plated for a stronger construction. Some sprockets are manufactured with flame or induction hardened parts.
    Sprockets are often used in conveyors, pallet conveyors and other conveying systems. The size of the sprocket should match the size of the chain. A caliper will help you determine if the sprocket has worn teeth. Another way to identify worn sprockets is to measure their diameter.
    In addition to size, sprockets should have the correct pitch and center distance. This will help keep the roller chain taut. The chain should be clean and properly lubricated. There should be a small gap between the pin and bushing so that oil can pass through the sprocket and chain. In addition to this, the center-to-center distance between the chain and the sprocket should be at least 1.5 times the diameter of the sprocket.
    The chain should have at least 17 teeth, which is common in the industry. Having smaller spacing will reduce mechanical losses and noise. However, larger sprocket sizes are best for applications with higher workloads.


    Sprockets are mechanical parts that mesh with the chain to move the chain. It is made of metal or reinforced plastic and usually resembles a gear. It is a gear design for a specific type of chain. Most sprocket and chain systems work the same way, although they vary in material and pitch.
    There are three basic types of sprockets: single-strand, double-strand, and triple-strand. The length and number of teeth for each type are specified by various standards. For reference, the ISO-DIN standard is shown. Most sprockets are made of alloy steel and are case hardened and tempered in the tooth area. They also have a hub and a key for mounting.
    Metal sprockets can be made of steel or aluminum alloys. While steel is a more durable material, aluminum sprockets are more attractive. Steel is the best material for long rides, while aluminum sprockets are better for casual riding.
    In addition to automotive and industrial applications, sprockets are used in oil and gas, textile machinery, instrumentation and mechanical transmission. Many types of sprockets are interchangeable with each other. For added protection, they can also be galvanized to prevent rust. The main methods of galvanizing sprockets are hot-dip galvanizing and electro-galvanizing.
    Sprockets are usually made of steel or aluminum. Their design is similar to that of gears, although they are more widely spaced than their counterparts. They can also span longer distances than gears, allowing them to be used for power transmission.


    A chain drive is a common type of mechanical transmission in which sprockets are used to help reduce the speed of a moving object. Sprockets can have horizontal, vertical or inclined pitch and are usually used in pairs. The teeth of the sprocket mesh with the rollers on the drive chain, reducing the speed. These sprockets are usually made of metal, but can also be made of plastic or composite materials.
    The role of the sprocket is to transmit motion from the output shaft of the engine to the rear wheels. For this, the front sprocket needs to rotate at the same speed as the engine output shaft. It can be mounted either on the drive track or on the front of the vehicle. A third sprocket can be connected to the drive track. In addition, the front sprocket is used to pull the drive chain. This will help transfer power from the engine to the rear wheels, allowing the motorcycle to travel forward. The side plates of the chain also help transmit chain tension.
    The bushings are subjected to the tension applied to the chain as it passes through the sprockets thousands of times per minute. This puts pressure on the pin inside the bushing. Additionally, the pins must withstand bending and shearing forces transmitted from the plate to the bushing. The pins must also withstand impact and have high tensile strength. If the pin is worn, it will need to be replaced or repaired.
    Sprockets power the chain-driven motion system and carry heavy loads. Proper selection of sprockets can prevent damage to your equipment. To do this, you need to select the appropriate sprocket based on the type of assembly and system specification.


    Sprocket maintenance is an important part of motorcycle maintenance. Failure to do so will result in frequent chain changes and additional costs. Regular maintenance of your chain will help ensure your chain will last 30,000 miles or more. By comparison, a poorly maintained chain only lasts 10,000 miles.
    Checking the sprocket is very easy. First, remove the chain and align it. Next, check for any foreign objects. If you see a damaged sprocket, you need to replace it. If you can’t replace a worn sprocket, you can buy a new chain. However, the new chain will not last as long as the old one.
    Check for signs of rust. Rust can form on the chain due to exposure to humidity and heat. When the pins or rollers get rusted, the seals are damaged. If the pins or rollers are rusted, it’s time to replace the chain.
    Regular maintenance of the chain is important to prevent kinks and slippage. This can cause excessive wear on the sprockets and chain. If the teeth are worn, the chain will not be able to properly grip the sprocket, resulting in difficult shifting and severe vibration.
    If your chain is several years old, it is important to lubricate it every few months to prevent rust. It is also important to clean the chain thoroughly before lubricating to keep it clean and lubricated. Non-petroleum-based cleaners can help remove grit that may have built up. If you use the chain for a long time, you will need to clean it every 300-600 miles.

    China 1000W Mid Drive Motor kits 420 Sprocket with EM50SP controller for electric scooter bike     sprocket boltsChina 1000W Mid Drive Motor kits 420 Sprocket with EM50SP controller for electric scooter bike     sprocket bolts
    editor by CX 2023-04-21

    Metric Sprockets

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