China OEM Hummer MID Crank Drive Lithium Battery Collapsible Electronic Bike with Hot selling

Product Description

Hummer mid crank drive lithium battery collapsible electronic Bike with integrated magnesium alloy wheel

An electric mountain bike is much more than a means of transport.;
First it is a highlyenvironmentally friendly folding e bike for both young and old who are looking for a stylishly up-to-date method of getting around.;

Second electric bike folding is a good way of travelling to work,; visiting a client or meeting your friends.;

Third It’s an ideal option for those who live in crowed city.;So more and more,;folding e bikes  are being used in nowadays.;

The hummer sport bike is a great way for you to manage terrain that otherwise may put you off cycling.; The hills and distances involved in some cities are easily overcome with the help of a powerful e folding mountain bikes With pedal assistance,; it is very easy to ride and actually encourages you to use the MTB ebike more often because it is so much fun!

Our lightweight emission free and cost effective folding dirt bikes give you an alternative form of transportation fitness.;Built for athletic riding over roots and rocks,; Extended size range gives you a better fit for a better ride .; CZPT drive train for smooth gear shifting over the long haul With the alloy motor pedelec electric e mountain bike you are guaranteed a great riding experience at incredibly great value,; and with the convenience of easy folding,; this road bike can be taken anywhere.;

An CE approval pedal assistant bike is an accessible and extremely fun means of travel & leisure for people of all ages.;
MTB,; full suspension sport electric dirt foldable bike will roll over the terrain with ease and help you keep your speed up with little effort.; You can power up climbs to enjoy downhill slopes feeling fresh


Model YS-M0426M integrated motor wheel folding ebike
Frame 26” aluminum alloy folding e bike
Motor 250w Brushless 8 fun hub motor mountain electric bike
Fork Front suspension,; aluminum alloy front fork
Battery Lithium bottle battery 36V/8.;8Ah,;Samsung core
Wheel magnesium alloy,;intergrated motor wheel e bike mountain
Charge time 6-7 hours
Charger different country is different charger
Display 790 display
Derailleur rear 7 seed with CZPT gear mountain e bike
Plug according country’s requirement
Brake Fr.;&Rr.; disc brake Electric bike
Max Speed 25km/h
Tire 26″*1.;95” standard mountain bike Tire
Rim Aluminum alloy double wall
Chain Rust resistant
saddle soft and comfortable saddle
Pedal Metal+plastic foldable pedal
N.;W.;/G.;W 23 kg/ 26kg
Load Capacity 125kg
Light Led
Range 60-70km with pedal assistant
Packing Size 175*23*103cm
Carton 95% hard carton,;export standard
20GP”/40HQ 70pcs/156pcs


Q:; How long should I charge the batteries?
Need to charge 4-6hours

Q:; Can I get samples for testing the market? And how long the sample will be ready?
Yes,; we can offer you some samples,; but samples need extra charge.;Sample usually take 30 days,; that depends on different model.;

Q:; What is the weight of the battery and motor?
Battery is about 1.;74kg,;motor is about 3.;3kg

Q:; How long will the battery last between charges?
This is always tricky to quantify as it depends on various factors.; But given average conditions,; our 36V 10.;4Ah option for example would give around 30-45HangZhous depending on terrain,; weight of the cyclist,; frequent use of the PAS,; number of stops/starts,; tire air pressure etc.; The different battery spec in our range would give different HangZhouage.;

Q:; Are the electrical parts water resistant?
Yes,; absolutely.; Obviously,; we wouldn’t recommend throwing the bike in a swimming pool for example,; but it will cope well with natural wet conditions.;

Q:; Can I make our own logo on the bike?
Yes,; but MOQ should be 50pcs,; if less than 50pcs there will be extra logo cost.;

Q:; What is your MOQ? Can I mix different items?
Normally is 50pcs,;but for first cooperation we also accept 20pcs/item.;
Yes,; mix order also allowed.;

Q:; What is the delivery time for bulk order?
It takes about 45-60days after receiving the deposit

Q:; How do you control the quality?
Firstly,;we export ebike for many years,; we have many skilled workers,; technicians,;engineers,;Quality Control teams and management staff,; so our quality can be assured.;
Secondly,; we have ce certificate to meet the demand of market.;
Thirdly,; each parts arrive our factory need to be checked by our QC department.;
Forth,; before production we will make the first sample and let the QC check,; everything is ok then will be in production.;
Five,; before packing our QC also will check each bike,; make sure every bike in good quality.;

Q:; What is your warranty or after sale service?
Motor,; battery,; controller is 1year warranty.; Usually,;our clients will purchase some spare parts together with their shipment so they can fix the small problem by themselves.;        

Driveshaft structure and vibrations associated with it

The structure of the drive shaft is critical to its efficiency and reliability. Drive shafts typically contain claw couplings, rag joints and universal joints. Other drive shafts have prismatic or splined joints. Learn about the different types of drive shafts and how they work. If you want to know the vibrations associated with them, read on. But first, let’s define what a driveshaft is.

transmission shaft

As the demand on our vehicles continues to increase, so does the demand on our drive systems. Higher CO2 emission standards and stricter emission standards increase the stress on the drive system while improving comfort and shortening the turning radius. These and other negative effects can place significant stress and wear on components, which can lead to driveshaft failure and increase vehicle safety risks. Therefore, the drive shaft must be inspected and replaced regularly.
Depending on your model, you may only need to replace 1 driveshaft. However, the cost to replace both driveshafts ranges from $650 to $1850. Additionally, you may incur labor costs ranging from $140 to $250. The labor price will depend on your car model and its drivetrain type. In general, however, the cost of replacing a driveshaft ranges from $470 to $1850.
Regionally, the automotive driveshaft market can be divided into 4 major markets: North America, Europe, Asia Pacific, and Rest of the World. North America is expected to dominate the market, while Europe and Asia Pacific are expected to grow the fastest. Furthermore, the market is expected to grow at the highest rate in the future, driven by economic growth in the Asia Pacific region. Furthermore, most of the vehicles sold globally are produced in these regions.
The most important feature of the driveshaft is to transfer the power of the engine to useful work. Drive shafts are also known as propeller shafts and cardan shafts. In a vehicle, a propshaft transfers torque from the engine, transmission, and differential to the front or rear wheels, or both. Due to the complexity of driveshaft assemblies, they are critical to vehicle safety. In addition to transmitting torque from the engine, they must also compensate for deflection, angular changes and length changes.


Different types of drive shafts include helical shafts, gear shafts, worm shafts, planetary shafts and synchronous shafts. Radial protruding pins on the head provide a rotationally secure connection. At least 1 bearing has a groove extending along its circumferential length that allows the pin to pass through the bearing. There can also be 2 flanges on each end of the shaft. Depending on the application, the shaft can be installed in the most convenient location to function.
Propeller shafts are usually made of high-quality steel with high specific strength and modulus. However, they can also be made from advanced composite materials such as carbon fiber, Kevlar and fiberglass. Another type of propeller shaft is made of thermoplastic polyamide, which is stiff and has a high strength-to-weight ratio. Both drive shafts and screw shafts are used to drive cars, ships and motorcycles.
Sliding and tubular yokes are common components of drive shafts. By design, their angles must be equal or intersect to provide the correct angle of operation. Unless the working angles are equal, the shaft vibrates twice per revolution, causing torsional vibrations. The best way to avoid this is to make sure the 2 yokes are properly aligned. Crucially, these components have the same working angle to ensure smooth power flow.
The type of drive shaft varies according to the type of motor. Some are geared, while others are non-geared. In some cases, the drive shaft is fixed and the motor can rotate and steer. Alternatively, a flexible shaft can be used to control the speed and direction of the drive. In some applications where linear power transmission is not possible, flexible shafts are a useful option. For example, flexible shafts can be used in portable devices.

put up

The construction of the drive shaft has many advantages over bare metal. A shaft that is flexible in multiple directions is easier to maintain than a shaft that is rigid in other directions. The shaft body and coupling flange can be made of different materials, and the flange can be made of a different material than the main shaft body. For example, the coupling flange can be made of steel. The main shaft body is preferably flared on at least 1 end, and the at least 1 coupling flange includes a first generally frustoconical projection extending into the flared end of the main shaft body.
The normal stiffness of fiber-based shafts is achieved by the orientation of parallel fibers along the length of the shaft. However, the bending stiffness of this shaft is reduced due to the change in fiber orientation. Since the fibers continue to travel in the same direction from the first end to the second end, the reinforcement that increases the torsional stiffness of the shaft is not affected. In contrast, a fiber-based shaft is also flexible because it uses ribs that are approximately 90 degrees from the centerline of the shaft.
In addition to the helical ribs, the drive shaft 100 may also contain reinforcing elements. These reinforcing elements maintain the structural integrity of the shaft. These reinforcing elements are called helical ribs. They have ribs on both the outer and inner surfaces. This is to prevent shaft breakage. These elements can also be shaped to be flexible enough to accommodate some of the forces generated by the drive. Shafts can be designed using these methods and made into worm-like drive shafts.


The most common cause of drive shaft vibration is improper installation. There are 5 common types of driveshaft vibration, each related to installation parameters. To prevent this from happening, you should understand what causes these vibrations and how to fix them. The most common types of vibration are listed below. This article describes some common drive shaft vibration solutions. It may also be beneficial to consider the advice of a professional vibration technician for drive shaft vibration control.
If you’re not sure if the problem is the driveshaft or the engine, try turning on the stereo. Thicker carpet kits can also mask vibrations. Nonetheless, you should contact an expert as soon as possible. If vibration persists after vibration-related repairs, the driveshaft needs to be replaced. If the driveshaft is still under warranty, you can repair it yourself.
CV joints are the most common cause of third-order driveshaft vibration. If they are binding or fail, they need to be replaced. Alternatively, your CV joints may just be misaligned. If it is loose, you can check the CV connector. Another common cause of drive shaft vibration is improper assembly. Improper alignment of the yokes on both ends of the shaft can cause them to vibrate.
Incorrect trim height can also cause driveshaft vibration. Correct trim height is necessary to prevent drive shaft wobble. Whether your vehicle is new or old, you can perform some basic fixes to minimize problems. One of these solutions involves balancing the drive shaft. First, use the hose clamps to attach the weights to it. Next, attach an ounce of weight to it and spin it. By doing this, you minimize the frequency of vibration.


The global driveshaft market is expected to exceed (xxx) million USD by 2028, growing at a compound annual growth rate (CAGR) of XX%. Its soaring growth can be attributed to several factors, including increasing urbanization and R&D investments by leading market players. The report also includes an in-depth analysis of key market trends and their impact on the industry. Additionally, the report provides a comprehensive regional analysis of the Driveshaft Market.
The cost of replacing the drive shaft depends on the type of repair required and the cause of the failure. Typical repair costs range from $300 to $750. Rear-wheel drive cars usually cost more. But front-wheel drive vehicles cost less than four-wheel drive vehicles. You may also choose to try repairing the driveshaft yourself. However, it is important to do your research and make sure you have the necessary tools and equipment to perform the job properly.
The report also covers the competitive landscape of the Drive Shafts market. It includes graphical representations, detailed statistics, management policies, and governance components. Additionally, it includes a detailed cost analysis. Additionally, the report presents views on the COVID-19 market and future trends. The report also provides valuable information to help you decide how to compete in your industry. When you buy a report like this, you are adding credibility to your work.
A quality driveshaft can improve your game by ensuring distance from the tee and improving responsiveness. The new material in the shaft construction is lighter, stronger and more responsive than ever before, so it is becoming a key part of the driver. And there are a variety of options to suit any budget. The main factor to consider when buying a shaft is its quality. However, it’s important to note that quality doesn’t come cheap and you should always choose an axle based on what your budget can handle.

China OEM Hummer MID Crank Drive Lithium Battery Collapsible Electronic Bike   with Hot sellingChina OEM Hummer MID Crank Drive Lithium Battery Collapsible Electronic Bike   with Hot selling