Tag Archives: high speed motor

China Best Sales High Quality 101 mm 3000 rpm brushed 12v 24v 48v high speed high torque permanent magnet electric 12 volt dc motor near me factory

Warranty: 3months-1year
Model Number: BG101ZYT2418-43-2
Usage: BOAT, Car, FAN, Home Appliance, Winding machine
Type: Brush Motor
Torque: 1.6N.m
Construction: Permanent Magnet
Commutation: Brush
Protect Feature: Totally Enclosed
Speed(RPM): 1800rpm
Continuous Current(A): 1.6A
Efficiency: IE 1
Product Name: brushed dc motor
Keywords: Brushed Motor
Rated Voltage: 24V
Color: Silver
Motor diameter: 101mm
Noise: 65dB
Shaft type: D Shaft
Bearing: Ball
Power: 300W
Rotation direction: CCW and CW
Certification: CCC, ce, FCC
Packaging Details: EPE Foam + Carton + Pallet ;
Port: HangZhou,HangZhou,ZheJiang ,HangZhou

BG 101mm Brushed DC MotorOperating temperature-20℃~50℃Rotation directionCW/CCWNoise≤65dBWork conditionS1Number Of Phases/Insulation classB-HProtection classIP40
Electrical SpecificationsModelRATED LOADNO LOAD STALL Voltage Power Speed
Torque Current Speed Current Torque Current VWrpmN.mArpmA N.m A BG 101ZYT177-12420030000.6411.940002.381.9135.7BG 101ZYT177-24840030001.2711.940002.383.8235.7We can also customize products according to customer requirements.

42mm DC Brushed Planetary Gear Motor

45mm DC Brushed Planetary Gear Motor

57mm DC Brushless Planetary Gear Motor

57mm DC Brushless Planetary Gear Motor

63mm Brushed DC Motor

70mm Brushless DC Motor

86mm DC Brushless Planetary Gear Motor

7630 AC Motor
Established in 1994, HangZhou BG Motor Factory is a professional manufacturer of brushless DC motors, brushed DC motors, planetary gear motors, worm gear motors, Universal motors and AC motors. We have a plant area of 6000 square meters, multiple patent certificates, and we have the independent design and development capabilities and strong technical force, with an annual output of more than 1 million units. Since the beginning of its establishment, BG motor has focused on the overall solution of motors. We manufacture and design motors, provide professional customized services, respond quickly to customer needs, and actively help customers to solve problems. Our motor products are exported to 20 countries, including the United States, Germany, Italy, the United Kingdom, Poland, Slovenia, Switzerland, Sweden, Singapore, South Korea etc.Our founder, Mr. Sun, has more than 40 years of experience in motor technology, and our other engineers also have more than 15 years of experience, and 60% of our staff have more than 10 years of experience, and we can assure you that the quality of our motors is top notch.The products cover AGV, underwater robots, robots, sewing machine industry, automobiles, medical equipment, automatic doors, lifting equipment, industrial equipment and have a wide range of applications.We strive for CZPT in the quality of each product, and we are only a small and sophisticated manufacturer.Our vision: Drive the world forward and make life better!
Q:1.What kind of motors can you provide?
A:At present, we mainly produce brushless DC motors, brush DC motors, AC motors, Universal Motors; the power of the motor is less than 5000W, and the diameter of the motor is not more than 200mm;
Q:2.Can you send me a price list?
A:For all of our motors, they are customized based on different requirements like lifetime, noise,voltage,and shaft etc. The price also varies according to annual quantity. So it’s really difficult for us to provide a price list. If you can share your detailed requirements and annual quantity, we’ll see what offer we can provide.
Q:3.Can l get some samples?
A:It depends. If only a few samples for personal use or replacement, I am afraid it’ll be difficult for us to provide because all of our motors are custom made and no stock available if there are no further needs. If just sample testing before the official order and our MOQ,price and other terms are acceptable,we’d love to provide samples.
Q4:Can you provide OEM or ODM service?
A:Yes,OEM and ODM are both available, we have the professional R&D dept which can provide professional solutions for you.
Q5:Can l visit your factory before we place an order?
A:welcome to visit our factory,wear every pleased if we have the chance to know each other more.
Q:6.What’s the lead time for a regular order?
A:For orders, the standard lead time is 15-20 days and this time can be shorter or longer based on the different model,period and quantity.

The Basics of a Gear Motor

The basic mechanism behind the gear motor is the principle of conservation of angular momentum. The smaller the gear, the more RPM it covers and the larger the gear, the more torque it produces. The ratio of angular velocity of two gears is called the gear ratio. Moreover, the same principle applies to multiple gears. This means that the direction of rotation of each adjacent gear is always the opposite of the one it is attached to.
Motor

Induction worm gear motor

If you’re looking for an electric motor that can deliver high torque, an Induction worm gear motor might be the right choice. This type of motor utilizes a worm gear attached to the motor to rotate a main gear. Because this type of motor is more efficient than other types of motors, it can be used in applications requiring massive reduction ratios, as it is able to provide more torque at a lower speed.
The worm gear motor is designed with a spiral shaft that is set into splines in another gear. The speed at which the worm gear rotates is dependent on the torque produced by the main gear. Induction worm gear motors are best suited for use in low-voltage applications such as electric cars, renewable energy systems, and industrial equipment. They come with a wide range of power-supply options, including twelve-volt, 24-volt, and 36-volt AC power supplies.
These types of motors can be used in many industrial settings, including elevators, airport equipment, food packaging facilities, and more. They also produce less noise than other types of motors, which makes them a popular choice for manufacturers with limited space. The efficiency of worm gearmotors makes them an excellent choice for applications where noise is an issue. Induction worm gear motors can be compact and extremely high-torque.
While the Induction worm gear motor is most widely used in industrial applications, there are other kinds of gearmotors available. Some types are more efficient than others, and some are more expensive than others. For your application, choosing the correct motor and gearbox combination is crucial to achieving the desired result. You’ll find that the Induction worm gear motor is an excellent choice for many applications. The benefits of an Induction worm gear motor can’t be overstated.
The DC gear motor is an excellent choice for high-end industrial applications. This type of gearmotor is smaller and lighter than a standard AC motor and can deliver up to 200 watts of torque. A gear ratio of three to two can be found in these motors, which makes them ideal for a wide range of applications. A high-quality DC gear motor is a great choice for many industrial applications, as they can be highly efficient and provide a high level of reliability.
Electric gear motors are a versatile and widely used type of electric motor. Nevertheless, there are some applications that don’t benefit from them, such as applications with high shaft speed and low torque. Applications such as fan motors, pump and scanning machines are examples of such high-speed and high-torque demands. The most important consideration when choosing a gearmotor is its efficiency. Choosing the right size will ensure the motor runs efficiently at peak efficiency and will last for years.
Motor

Parallel shaft helical gear motor

The FC series parallel shaft helical gearmotor is a compact, lightweight, and high-performance unit that utilizes a parallel shaft structure. Its compact design is complemented by high transmission efficiency and high carrying capacity. The motor’s material is 20CrMnTi alloy steel. The unit comes with either a flanged input or bolt-on feet for installation. Its low noise and compact design make it an ideal choice for a variety of applications.
The helical gears are usually arranged in two rows of one another. Each row contains one or more rows of teeth. The parallel row has the teeth in a helical pattern, while the helical rows are lined up parallelly. In addition to this, the cross helical gears have a point contact design and do not overlap. They can be either parallel or crossed. The helical gear motors can have any number of helical pairs, each with a different pitch circle diameter.
The benefits of the Parallel Shaft Helical Gearbox include high temperature and pressure handling. It is produced by skilled professionals using cutting-edge technology, and is widely recognized for its high performance. It is available in a range of technical specifications and is custom-made to suit individual requirements. These gearboxes are durable and low-noise and feature high reliability. You can expect to save up to 40% of your energy by using them.
The parallel shaft helical gear motors are designed to reduce the speed of a rotating part. The nodular cast iron housing helps make the unit robust in difficult environments, while the precision-machined gears provide quiet, vibration-free operation. These motors are available in double reduction, triple reduction, and quadruple reduction. The capacity ranges from 0.12 kW to 45 kW. You can choose from a wide variety of capacities, depending on the size of your gearing needs.
The SEW-EURODRIVE parallel shaft helical gearmotor is a convenient solution for space-constrained applications. The machine’s modular design allows for easy mounting and a wide range of ambient temperatures. They are ideal for a variety of mechanical applications, including conveyors, augers, and more. If you want a small footprint, the SEW-EURODRIVE parallel shaft helical gear motor is the best solution for you.
The parallel shaft helical gears are advantageous for both high and low speed applications. Parallel helical gears are also suitable for low speed and low duty applications. A good example of a cross-helix gear is the oil pump of an internal combustion engine. Both types of helical gears are highly reliable and offer vibration-free operation. They are more costly than conventional gear motors, but offer more durability and efficiency.
Motor

Helical gear unit

This helical gear unit is designed to operate under a variety of demanding conditions and can be used in a wide range of applications. Designed for long life and high torque density, this gear unit is available in a variety of torques and gear ratios. Its design and construction make it compatible with a wide range of critical mechanical systems. Common applications include conveyors, material handling, steel mills, and paper mills.
Designed for high-performance applications, the Heidrive helical gear unit provides superior performance and value. Its innovative design allows it to function well under a wide range of operating conditions and is highly resistant to damage. These gear motors can be easily combined with a helical gear unit. Their combined power output is 100 Nm, and they have a high efficiency of up to 90%. For more information about the helical gear motor, contact a Heidrive representative.
A helical gear unit can be classified by its reference section in the standard plane or the turning plane. Its center gap is the same as that of a spur gear, and its number of teeth is the same. In addition to this, the helical gear has a low axial thrust, which is another important characteristic. The helical gear unit is more efficient at transferring torque than a spur gear, and it is quieter, too.
These units are designed to handle large loads. Whether you are using them for conveyors, augers, or for any other application that involves high-speed motion, a helical gear unit will deliver maximum performance. A helical gear unit from Flender can handle 400,000 tasks with a high degree of reliability. Its high efficiency and high resistance to load ensures high plant availability. These gear motors are available in a variety of sizes, from single-speed to multi-speed.
PEC geared motors benefit from decades of design experience and high quality materials. They are robust, quiet, and offer excellent performance. They are available in multiple configurations and are dimensionally interchangeable with other major brands. The gear motors are manufactured as modular kits to minimize inventory. They can be fitted with additional components, such as backstops and fans. This makes it easy to customize your gear motors and save money while reducing costs.
Another type of helical gears is the double helical gear. The double helical gear unit has two helical faces with a gap between them. They are better for enclosed gear systems as they provide greater tooth overlap and smoother performance. Compared to double helical gears, they are smaller and more flexible than the Herringbone type. So, if you’re looking for a gear motor, a helical gear unit may be perfect for you.

China Best Sales High Quality 101 mm 3000 rpm brushed 12v 24v 48v high speed high torque permanent magnet electric 12 volt dc motor  near me factory China Best Sales High Quality 101 mm 3000 rpm brushed 12v 24v 48v high speed high torque permanent magnet electric 12 volt dc motor  near me factory

China supplier 15mm 3V 6V 9V 12V 24V high speed DC maxon coreless motor for medical with Good quality

Warranty: 3months-1year
Model Number: xbd-1524
Usage: BOAT, Car, Electric Bicycle, FAN, Home Appliance, beauty equipment
Type: electric motor
Torque: 6.68mNm-7.12mNm
Construction: Permanent Magnet
Commutation: Brush
Protect Feature: Totally Enclosed
Speed(RPM): 9700-10800rpm(accept customzied)
Continuous Current(A): 0.01A-0.02A
Efficiency: IE 2
Torque Constant: 11.4mNm/A
Keywords: dc motor
No-load Current: 0.061A
Size: 15(OD)*24(Length)mm
OEM/ODM: Accept
Max Effect: 72%
Factory: Yes,welcome to visit our factory
Locked-rotor Torque: 6.76mNm
Friction Torque: 0.13mNm
Samples: available
Certification: CCC, ce, RoHS, VDE
Packaging Details: Standard Export Carton

15mm 3V 6V 9V 12V 24V high speed DC maxon coreless motor for medical Features-Rated voltage:6v/6v/9v/12v/18v/24v for your option-No Iron Losses,High Efficiency,Long Motor Life-Low Noice and High Reliability-Widely used in CZPT Care,Security Control,Medical E quipments,Measuring Instruments,Security Control,Robotics and Automation,Electronic Hand Tools etc.-Customized Specifications are Welcome!-Option Gearbox or Encoder as your requirements
Model No.:XBD-1524
Product Images show:

Drawing:

Standard Parameters:

1524Series

3
6
9
12
18
24

Rated Voltage
3
6
9
12
18
24
v

Armature Resistance
1.1
5.1
10.4
19.8
44
79.6
Ω

Max Output
1.92
1.7
1.88
1.75
1.78
1.75
W

Max Effect
73
73
73
72
73
74
%

No-load Speed
10800
9700
15710
9900
9900
9900
RPM

No-load Current
0.097
0.071
0.064
0.061
0.047
0.055
A

Locked-rotor Torque
6.8
6.68
7.12
6.76
6.86
6.75
mNm

Friction Torque
0.12
0.12
0.12
0.13
0.12
0.11
mNM


Remarks:All the parameters can be customized according to your need.
Application Area:
From automation to household hand tools, E-Drive coreless motors are widely used in Golfcaddy, Tattoo Eyebrow Machine,Beauty Apparatus,Medical Equipment,Robotics,Electric-drive curtain,Model Toys,Power Tools,Factory Automation & Robitics,Beauty Massage Products,Safety Engineering,Tattoo machine,Dental Instruments,Massage Instrument,Facial Cleansing Instrument, Adult Products etc.

Packaging & ShippingPackaging Process:


Payment of terms:

Shipping:

Company Information Sinbad Motor Advantages:1.ISO9001:2008 qualified2. Most products are produced & tested by automatics3. Automatic machines are designed and assembled by our own team4.We could provide customers with comprehensive one-stop solution 5. Strong R&D team, Model complete:Dia.6~44mm DC Coreless Motor6. SGS,CCC,CE Certificated, 100% RoHS compliance

Our Services1.Sample Available2.Alibaba Trade Assurance3.OEM & ODM Available4.Small MOQ
Our products are exported to the world!98% of clients come back to us for repeat orders.We are specializing in DC Coreless Motor.
FAQ
Q1. Are you a trading company or manufacturer?A: Yes. We are a manufacturer specializing in Coreless DC Motor since 2011.
Q2. What is your MOQ?A : Normally, MOQ=100pcs. Q3. What’s the warranty time?A: 1 – 2 years. Q4. Could you offer us samples? A:Yes, free samples could be provided within 7-15 days.
Q5. What ‘s the lead time of mass production?A : About 2-4 weeks. Q6. What’s the capacity per month?A : Over 50 thousand pieces per month for coreless micro motor series. Over 10 thousand pieces per month for moreless dc motor series. Q7. Where is your plant?A: Located in HangZhou city, ZheJiang province, China. About 30minutes by car from HangZhou airport and about 1 hours from HK airport.
Q8 . Could you accept OEM or ODM ?A : Yes, we have a strong R&D team. We have rich experience on OEM&ODM.

Contact Us

The Basics of a Planetary Motor

A Planetary Motor is a type of gearmotor that uses multiple planetary gears to deliver torque. This system minimizes the chances of failure of individual gears and increases output capacity. Compared to the planetary motor, the spur gear motor is less complex and less expensive. However, a spur gear motor is generally more suitable for applications requiring low torque. This is because each gear is responsible for the entire load, limiting its torque.

Self-centering planetary gears

This self-centering mechanism for a planetary motor is based on a helical arrangement. The helical structure involves a sun-planet, with its crown and slope modified. The gears are mounted on a ring and share the load evenly. The helical arrangement can be either self-centering or self-resonant. This method is suited for both applications.
A helical planetary gear transmission is illustrated in FIG. 1. A helical configuration includes an output shaft 18 and a sun gear 18. The drive shaft extends through an opening in the cover to engage drive pins on the planet carriers. The drive shaft of the planetary gears can be fixed to the helical arrangement or can be removable. The transmission system is symmetrical, allowing the output shaft of the planetary motor to rotate radially in response to the forces acting on the planet gears.
A flexible pin can improve load sharing. This modification may decrease the face load distribution, but increases the (K_Hbeta) parameter. This effect affects the gear rating and life. It is important to understand the effects of flexible pins. It is worth noting that there are several other disadvantages of flexible pins in helical PGSs. The benefits of flexible pins are discussed below.
Using self-centering planetary gears for a helical planetary motor is essential for symmetrical force distribution. These gears ensure the symmetry of force distribution. They can also be used for self-centering applications. Self-centering planetary gears also guarantee the proper force distribution. They are used to drive a planetary motor. The gearhead is made of a ring gear, and the output shaft is supported by two ball bearings. Self-centering planetary gears can handle a high torque input, and can be suited for many applications.
To solve for a planetary gear mechanism, you need to find its pitch curve. The first step is to find the radius of the internal gear ring. A noncircular planetary gear mechanism should be able to satisfy constraints that can be complex and nonlinear. Using a computer, you can solve for these constraints by analyzing the profile of the planetary wheel’s tooth curve.
Motor

High torque

Compared to the conventional planetary motors, high-torque planetary motors have a higher output torque and better transmission efficiency. The high-torque planetary motors are designed to withstand large loads and are used in many types of applications, such as medical equipment and miniature consumer electronics. Their compact design makes them suitable for small space-saving applications. In addition, these motors are designed for high-speed operation.
They come with a variety of shaft configurations and have a wide range of price-performance ratios. The FAULHABER planetary gearboxes are made of plastic, resulting in a good price-performance ratio. In addition, plastic input stage gears are used in applications requiring high torques, and steel input stage gears are available for higher speeds. For difficult operating conditions, modified lubrication is available.
Various planetary gear motors are available in different sizes and power levels. Generally, planetary gear motors are made of steel, brass, or plastic, though some use plastic for their gears. Steel-cut gears are the most durable, and are ideal for applications that require a high amount of torque. Similarly, nickel-steel gears are more lubricated and can withstand a high amount of wear.
The output torque of a high-torque planetary gearbox depends on its rated input speed. Industrial-grade high-torque planetary gearboxes are capable of up to 18000 RPM. Their output torque is not higher than 2000 nm. They are also used in machines where a planet is decelerating. Their working temperature ranges between 25 and 100 degrees Celsius. For best results, it is best to choose the right size for the application.
A high-torque planetary gearbox is the most suitable type of high-torque planetary motor. It is important to determine the deceleration ratio before buying one. If there is no product catalog that matches your servo motor, consider buying a close-fitting high-torque planetary gearbox. There are also high-torque planetary gearboxes available for custom-made applications.
Motor

High efficiency

A planetary gearbox is a type of mechanical device that is used for high-torque transmission. This gearbox is made of multiple pairs of gears. Large gears on the output shaft mesh with small gears on the input shaft. The ratio between the big and small gear teeth determines the transmittable torque. High-efficiency planetary gearheads are available for linear motion, axial loads, and sterilizable applications.
The AG2400 high-end gear unit series is ideally matched to Beckhoff’s extensive line of servomotors and gearboxes. Its single-stage and multi-stage transmission ratios are highly flexible and can be matched to different robot types. Its modified lubrication helps it operate in difficult operating conditions. These high-performance gear units are available in a wide range of sizes.
A planetary gear motor can be made of steel, nickel-steel, or brass. In addition to steel, some models use plastic. The planetary gears share work between multiple gears, making it easy to transfer high amounts of power without putting a lot of stress on the gears. The gears in a planetary gear motor are held together by a movable arm. High-efficiency planetary gear motors are more efficient than traditional gearmotors.
While a planetary gear motor can generate torque, it is more efficient and cheaper to produce. The planetary gear system is designed with all gears operating in synchrony, minimizing the chance of a single gear failure. The efficiency of a planetary gearmotor makes it a popular choice for high-torque applications. This type of motor is suitable for many applications, and is less expensive than a standard geared motor.
The planetary gearbox is a combination of a planetary type gearbox and a DC motor. The planetary gearbox is compact, versatile, and efficient, and can be used in a wide range of industrial environments. The planetary gearbox with an HN210 DC motor is used in a 22mm OD, PPH, and ph configuration with voltage operating between 6V and 24V. It is available in many configurations and can be custom-made to meet your application requirements.
Motor

High cost

In general, planetary gearmotors are more expensive than other configurations of gearmotors. This is due to the complexity of their design, which involves the use of a central sun gear and a set of planetary gears which mesh with each other. The entire assembly is enclosed in a larger internal tooth gear. However, planetary motors are more effective for higher load requirements. The cost of planetary motors varies depending on the number of gears and the number of planetary gears in the system.
If you want to build a planetary gearbox, you can purchase a gearbox for the motor. These gearboxes are often available with several ratios, and you can use any one to create a custom ratio. The cost of a gearbox depends on how much power you want to move with the gearbox, and how much gear ratio you need. You can even contact your local FRC team to purchase a gearbox for the motor.
Gearboxes play a major role in determining the efficiency of a planetary gearmotor. The output shafts used for this type of motor are usually made of steel or nickel-steel, while those used in planetary gearboxes are made from brass or plastic. The former is the most durable and is best for applications that require high torque. The latter, however, is more absorbent and is better at holding lubricant.
Using a planetary gearbox will allow you to reduce the input power required for the stepper motor. However, this is not without its downsides. A planetary gearbox can also be replaced with a spare part. A planetary gearbox is inexpensive, and its spare parts are inexpensive. A planetary gearbox has low cost compared to a planetary motor. Its advantages make it more desirable in certain applications.
Another advantage of a planetary gear unit is the ability to handle ultra-low speeds. Using a planetary gearbox allows stepper motors to avoid resonance zones, which can cause them to crawl. In addition, the planetary gear unit allows for safe and efficient cleaning. So, whether you’re considering a planetary gear unit for a particular application, these gear units can help you get exactly what you need.

China supplier 15mm 3V 6V 9V 12V 24V high speed DC maxon coreless motor for medical  with Good qualityChina supplier 15mm 3V 6V 9V 12V 24V high speed DC maxon coreless motor for medical  with Good quality

8 supplier made in China – replacement parts – in Lubumbashi Democratic Republic of the Congo Inch Geared Double Shaft Low Speed High Torque Hub Motor Wheel with top quality

8  supplier  made in China - alternative areas -  in Lubumbashi Democratic Republic of the Congo  Inch Geared Double Shaft Low Speed Large Torque Hub Motor Wheel with leading top quality

We – EPG Group the greatest gearbox & motors , couplings and gears factory in China with 5 different branches. For much more information: Cell/whatsapp/telegram/Kakao us at: 0086~thirteen 571 88828 13858117778 571 88828

What is hub motor?

The wheel hub motor (also known as wheel motor, wheel hub push, hub motor or in-wheel motor) is an electric motor that is integrated into the hub of a wheel and drives it right

Parameter for 8 inch hub motors

Location of Origin ZheJiang , China (Mainland)
Certification CE
Commutation Brushless
Ongoing Recent(A) 1.3-twelve.4A
Efficiency IE four
Sounds 55db
Motor kind  Brushless DC Motor
Usage Residence Equipment, robotics, electric powered scooter, e-bicycle, and so forth.
Speed(RPM) Max 600(r/min)
Voltage DC 24V/36V/48V
Power MAX:400W
Speed MAX:6-8km/h
Diameter with tire 200mm
Brake disc brake
Tire hollow tire
Fat 4KG with tire
Cable 3 motor phase , 5 hall sensor
Coloration silver and black

Add-ons

We have motor from min 3 inch(70mm) to max fifteen inch (380mm), all water-resistant and reduced sounds, higher quality with good price
We provide equally solitary shaft and double shaft for all motors
We also supply motor constructed-in 1571ppr incremental encoder

 

FAQ

one. Manufacturing unit or trader?
    We are manufacturing unit, the resource of the source chain.
2. Hub motor Delivery time?
    Sample: 5 days.  Bulk buy: 7-twenty five times.
3. Why select us?
* Manufacturing facility Cost & 24/7 following-sale companies.
* 3 more quality test before products go away manufacturing facility.
* Extended daily life, tough and multi-application.
* Self Safety technique avoids hurt when overloaded or abruptly stoped.
* High performance and higher torque accessible in small diameter.
* All merchandise are created according to ISO 9001, CE, ROHS, CCC, UL and GS needs.

The use of original gear manufacturer’s (OEM) component quantities or logos , e.g. CASE® and John Deere® are for reference purposes only and for indicating merchandise use and compatibility. Our organization and the listed replacement elements contained herein are not sponsored, accepted, or manufactured by the OEM.

8  provider  manufactured in China - substitution elements -  in Lubumbashi Democratic Republic of the Congo  Inch Geared Double Shaft Low Velocity High Torque Hub Motor Wheel with leading high quality

8  supplier  created in China - alternative parts -  in Lubumbashi Democratic Republic of the Congo  Inch Geared Double Shaft Reduced Speed High Torque Hub Motor Wheel with best good quality