China manufacturer Professional Manufacture 250W Soowill Electric Bike MID Drive Conversion Kit Integrated 36V14A Foc Controller Ebike with Good quality

Product Description

Long Range
                 36V 13AH Lithium Battery Power Rides Up to 75KM Distance by PAS.


Product Name Electric Trekking Bike 26-inch 26″*2.35 
Model SW-T1
                                                                                                                 Electric System
Motor Vinka 36V 250W Mid Drive Set
Controller Integrated 36V14A FOC controller
Display LCD display,APP supported
Throttle YES
PAS Vinka cadence and torque intergrated sensor with Max. 80N.m
Light Front and Rear Lights
Charger Voltage 110-240v, AC 42V2A
Battery 36V13AH, 468WH, LG cells
Charging time 4-6hours

                                                             Main Components
Frame 6061 Aluminium alloy, customized color
Rim 26 inch alloy double wall
Tires Kenda tires 26*2.35
Spoke Stainless steel
Front Fork Suspension front fork with customized logo
Brake Lever Tektro
Brake Tektro mechanical brakes
Speed Gear Shimano 7-speed gears
Derailleur Shimano Tourney 7 speed
Chain Wheel Vinka, 38T
Chain KMC, Z7
Handle Bar Promax Width:640mm
Stem Promax Al-alloy, adjustable angle
Saddle/Post Selle Royal Leather seat
Rear Rack Al-alloy
Basket Optional



            Vinka 36V 250W Mid Drive Set
                     Max speed 25KM/H
              LCD Display,APP Supported
           Speed,Battery power,Range,more…



                             Speed Gears
                  CZPT 7 Speed Gears
         Handle Bar:Promax Width:640mm
    Stem:Promax Al-alloy, Adjustable Angle


Selle Royal Leather Seat
                                                   Front Light


Speed 25Km/h
Range >75Km by PAS
Max Load 120Kg
N.W/G.W 26.5Kg/32.5Kg
Carton Size 1790*240*1571mm
Loading Q’ty 40GP FCL: 103pcs

HS CODE 871160571
Certificate IATF16949 /ISO9001;EN15194
Quality Guarantee

1.The guarantee for frame is 5 years.

2.Battery decay not less than 80% within 2 years;if damaged by water,no warranty.
3.other parts for 3 months,if damaged by people,no warranty.

Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.


1.Neutral Package

2.Inner package: high quality bubble film; 

3.Outer package: strong mater carton with shipping marks for electric bike 



HangZhou Soowill International Co., Ltd

    HangZhou Soowill International Co., Ltd was founded in 2571, located in HangZhou, HangZhou City, ZheJiang Province, close to ZheJiang Port and HangZhou Port. It mainly exports Electric bikes, Foldable electric bikes, Electric mountain bikes, Electric motorcycles, Portable electric scooters, Electric tricycles, Electric cargo bikes, and bike accessories to all over the world.

    We have our own factory located in HangZhou Industrial Park, and our professional design team keeps researching and developing new products to provide the best goods in this industry, ensuring our products can meet the ever-changing economic and social needs. Our R&D team, QC team, experienced technician and Sales & Service & logistics team can ensure the good quality of products and provide customers with best service.

    Soowill strives to build a multi-brand and multi-element E-commerce platform to meet the needs of customers of different countries and different consumer preferences. We are searching business cooperation partners from all over the world, if you have the willingness and ability please leave message to us, if you need some help from us for better business running in China, just contact us directly.

We strive to make products, services, even our business partners all as stars!


1.Q:Where are you? Can I visit you? 

A: We based in HangZhou city,ZheJiang province,China. Welcome to visit our factory at anytime.


2.Q:Why choose you? 
A: Strong quality control : All the components should be checked carefully before assembling, thus, we can make sure that the broken or deficient components will not be fixed to the electric bikes.Each electric bikes will be strictly inspected before packing and shipping out to insure that the could be satisfied with you. 


3.Q: Can I get some samples? 
A:we offer sample for quality check. Considering electric bike as big item with certain value,we don’t offer free sample and transportation fee is not contained in sample price.If you just need a sample first , we can make 1 for you and then send it by air. Only Express is acceptable, otherwise the battery can not to be sent by air.

4.Q:What’s the delivery time? 
A: It usually takes about 15-35 working days But the exact delivery time might be different for different orders or at different time.Once we confirmed all details of order, we’ll put all source into it.


5.Q:Can I mix different models in 1 container? 
A: Yes, different models can be mixed in 1 container.


6.Q:what kind of payment does your company support? 

A: T/T, 100% L/C at sight accepted if you have other payment,please contact me.


7.What’s the advantage of electric bike?
You can not only ride it as ordinary bike but also choose battery powered mode when you get tired, and you don’t need to get a license and pay parking fee. Compared to automobiles or motorcycle engines, an electric bike is virtually silent.


After-sales Service: Yes
Warranty: The Guarantee for Frame Is 5 Years.
Wattage: 250W
Battery Voltage: 36V
Battery Type: Lithium Battery
Wheel Size: 26"
US$ 2099/Piece
1 Piece(Min.Order)

Request Sample


How to Design a Forging Spur Gear

Before you start designing your own spur gear, you need to understand its main components. Among them are Forging, Keyway, Spline, Set screw and other types. Understanding the differences between these types of spur gears is essential for making an informed decision. To learn more, keep reading. Also, don’t hesitate to contact me for assistance! Listed below are some helpful tips and tricks to design a spur gear. Hopefully, they will help you design the spur gear of your dreams.

Forging spur gears

Forging spur gears is one of the most important processes of automotive transmission components. The manufacturing process is complex and involves several steps, such as blank spheroidizing, hot forging, annealing, phosphating, and saponification. The material used for spur gears is typically 20CrMnTi. The process is completed by applying a continuous through extrusion forming method with dies designed for the sizing band length L and Splitting angle thickness T.
The process of forging spur gears can also use polyacetal (POM), a strong plastic commonly used for the manufacture of gears. This material is easy to mold and shape, and after hardening, it is extremely stiff and abrasion resistant. A number of metals and alloys are used for spur gears, including forged steel, stainless steel, and aluminum. Listed below are the different types of materials used in gear manufacturing and their advantages and disadvantages.
A spur gear’s tooth size is measured in modules, or m. Each number represents the number of teeth in the gear. As the number of teeth increases, so does its size. In general, the higher the number of teeth, the larger the module is. A high module gear has a large pressure angle. It’s also important to remember that spur gears must have the same module as the gears they are used to drive.

Set screw spur gears

A modern industry cannot function without set screw spur gears. These gears are highly efficient and are widely used in a variety of applications. Their design involves the calculation of speed and torque, which are both critical factors. The MEP model, for instance, considers the changing rigidity of a tooth pair along its path. The results are used to determine the type of spur gear required. Listed below are some tips for choosing a spur gear:
Type A. This type of gear does not have a hub. The gear itself is flat with a small hole in the middle. Set screw gears are most commonly used for lightweight applications without loads. The metal thickness can range from 0.25 mm to 3 mm. Set screw gears are also used for large machines that need to be strong and durable. This article provides an introduction to the different types of spur gears and how they differ from one another.
Pin Hub. Pin hub spur gears use a set screw to secure the pin. These gears are often connected to a shaft by dowel, spring, or roll pins. The pin is drilled to the precise diameter to fit inside the gear, so that it does not come loose. Pin hub spur gears have high tolerances, as the hole is not large enough to completely grip the shaft. This type of gear is generally the most expensive of the three.

Keyway spur gears

In today’s modern industry, spur gear transmissions are widely used to transfer power. These types of transmissions provide excellent efficiency but can be susceptible to power losses. These losses must be estimated during the design process. A key component of this analysis is the calculation of the contact area (2b) of the gear pair. However, this value is not necessarily applicable to every spur gear. Here are some examples of how to calculate this area. (See Figure 2)
Spur gears are characterized by having teeth parallel to the shafts and axis, and a pitch line velocity of up to 25 m/s is considered high. In addition, they are more efficient than helical gears of the same size. Unlike helical gears, spur gears are generally considered positive gears. They are often used for applications in which noise control is not an issue. The symmetry of the spur gear makes them especially suitable for applications where a constant speed is required.
Besides using a helical spur gear for the transmission, the gear can also have a standard tooth shape. Unlike helical gears, spur gears with an involute tooth form have thick roots, which prevents wear from the teeth. These gears are easily made with conventional production tools. The involute shape is an ideal choice for small-scale production and is one of the most popular types of spur gears.

Spline spur gears

When considering the types of spur gears that are used, it’s important to note the differences between the two. A spur gear, also called an involute gear, generates torque and regulates speed. It’s most common in car engines, but is also used in everyday appliances. However, one of the most significant drawbacks of spur gears is their noise. Because spur gears mesh only one tooth at a time, they create a high amount of stress and noise, making them unsuitable for everyday use.
The contact stress distribution chart represents the flank area of each gear tooth and the distance in both the axial and profile direction. A high contact area is located toward the center of the gear, which is caused by the micro-geometry of the gear. A positive l value indicates that there is no misalignment of the spline teeth on the interface with the helix hand. The opposite is true for negative l values.
Using an upper bound technique, Abdul and Dean studied the forging of spur gear forms. They assumed that the tooth profile would be a straight line. They also examined the non-dimensional forging pressure of a spline. Spline spur gears are commonly used in motors, gearboxes, and drills. The strength of spur gears and splines is primarily dependent on their radii and tooth diameter.
SUS303 and SUS304 stainless steel spur gears

Stainless steel spur gears are manufactured using different techniques, which depend on the material and the application. The most common process used in manufacturing them is cutting. Other processes involve rolling, casting, and forging. In addition, plastic spur gears are produced by injection molding, depending on the quantity of production required. SUS303 and SUS304 stainless steel spur gears can be made using a variety of materials, including structural carbon steel S45C, gray cast iron FC200, nonferrous metal C3604, engineering plastic MC901, and stainless steel.
The differences between 304 and 303 stainless steel spur gears lie in their composition. The two types of stainless steel share a common design, but have varying chemical compositions. China and Japan use the letters SUS304 and SUS303, which refer to their varying degrees of composition. As with most types of stainless steel, the two different grades are made to be used in industrial applications, such as planetary gears and spur gears.

Stainless steel spur gears

There are several things to look for in a stainless steel spur gear, including the diametral pitch, the number of teeth per unit diameter, and the angular velocity of the teeth. All of these aspects are critical to the performance of a spur gear, and the proper dimensional measurements are essential to the design and functionality of a spur gear. Those in the industry should be familiar with the terms used to describe spur gear parts, both to ensure clarity in production and in purchase orders.
A spur gear is a type of precision cylindrical gear with parallel teeth arranged in a rim. It is used in various applications, such as outboard motors, winches, construction equipment, lawn and garden equipment, turbine drives, pumps, centrifuges, and a variety of other machines. A spur gear is typically made from stainless steel and has a high level of durability. It is the most commonly used type of gear.
Stainless steel spur gears can come in many different shapes and sizes. Stainless steel spur gears are generally made of SUS304 or SUS303 stainless steel, which are used for their higher machinability. These gears are then heat-treated with nitriding or tooth surface induction. Unlike conventional gears, which need tooth grinding after heat-treating, stainless steel spur gears have a low wear rate and high machinability.

China manufacturer Professional Manufacture 250W Soowill Electric Bike MID Drive Conversion Kit Integrated 36V14A Foc Controller Ebike   with Good quality China manufacturer Professional Manufacture 250W Soowill Electric Bike MID Drive Conversion Kit Integrated 36V14A Foc Controller Ebike   with Good quality
editor by CX 2023-11-13


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