Product Description

2571 new fat tyre adult cheap electric bicycle with 60MM Alloy Single Wall rim 

1 specification

 

Electric Specification		Bodywork Specification
Motor Type	Rear Drive, CZPT brand	Frame	Aluminum Alloy 6061# / Foldable
Motor Power	36V350W-500w	Tyres	20″*4.0 KENDA
Working Style	PAS & Throttle, PAS by speed	Rim	Alloy Single Wall 60MM
Controller	36V15A	Brake	F/R :Tektro Disc brake 180mm
Display	LCD C500B / Max Speed Adjustable	Brake Lever	Tektro, Cut-off while braking
Light	F: LED light	Front Fork	Steel
Battery	Li-ion  36V10.4AH	Derailleur	Shimano 7-speed tourney
Charger	50-60AH, AC90-240	Other	Seat post and stem: Promax
Performance		Business Item
Max Speed	30-32KM/H	Available Colors	Customized, Y.S color code
Range	30-32km	Body Size	169*62*117CM
Max Loading	100KG	Packing Size	155*27*82CM
Climbing	20%	N.W / G.W	29KG/34KG
Charge Time	5-6H / Cricle Life > 600times	Container Load	20″- 80PCS 40″- 170PCS

 2 Company information
    HangZhou Merry Gold Machinary Co.,ltd, is a manufacturer and trader specialized in machinery and electronics products such as ebike electric bicycle. We mainly offer motors, electric bicycles,electric vehicles and its spare parts, bicycle and its spare parts etc. We have exported our electric bikes and its rated products to over 60 countries in the world, especially in US, Canada, Mexico, France, Spain, Italy, Germany, Australia, New Zealand, Russia, North Europe etc All of our products can comply with international quality standards and are greatly meeting in a variety of markets around the world. For example, we have EN15194 European certificate, CE certificate and EEC certificate. These certificates ensure us can enter into any country. We can also provide OEMand ODM service if you need. We are located in HangZhou city, ZheJiang province, which is about 150km from ZheJiang city. If you are interested in any of our products or discuss a customized order, please feel free to contact us and kindly get back your comments to us. We are sure any of your feedback will get our prompt attention & reply. We are looking forward to establishing successful business relationships with clients all over the world.

3 packaging and shipping
We fold electric bicycle and wrap them with foamed plastic films and pack them in cartons
The electric bikes ordered by our clients can be shipped by sea, air and train.

4 Our service

1. OEM Manufacturing Welcome: product, package, etc…
2. Sample Order
3. All inquiries will be replied in 24 hours
4. After the sending,we will track the shipment for you each 2 days until it arrives. When you got the electric bicycle, please test them and give us a feedback. if you have any question,  please contact us. we will offer the solve way for you.

5 Certificates

6 FAQ

Q1. What is your terms of packing?
A: Generally,electric bicycle is packed with foam protection and foam block inside, cartons outside. If you have any legally registered
patent, we can pack the electric bicycle in your branded boxed after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of electric bicycle and packages before you pay the balance.Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 30-60 days after the receipt of deposit payment. If there are materials stocked for this style, then it
takes around 15-30 days.

Q5. Can you produce according to the samples?
A: Yes, the production can be arranged depending on your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: The samples can be supplied if there are ready parts in stock, and the client will cover the sample and courier cost.

Q7. Do you test all of your electric bike bicycle before delivery?
A: Yes, the goods are all 100% test and inspected before delivery.

Q8. How do you make our business long-term and good relationships?
A: 1. We keep quality and competitive price to ensure our clients’ benefit;
2. We respect every customer as our friend and we sincerely do business no matter where they come from.

 

 

Guide to Drive Shafts and U-Joints

If you’re concerned about the performance of your car’s driveshaft, you’re not alone. Many car owners are unaware of the warning signs of a failed driveshaft, but knowing what to look for can help you avoid costly repairs. Here is a brief guide on drive shafts, U-joints and maintenance intervals. Listed below are key points to consider before replacing a vehicle driveshaft.

Symptoms of Driveshaft Failure

Identifying a faulty driveshaft is easy if you’ve ever heard a strange noise from under your car. These sounds are caused by worn U-joints and bearings supporting the drive shaft. When they fail, the drive shafts stop rotating properly, creating a clanking or squeaking sound. When this happens, you may hear noise from the side of the steering wheel or floor.
In addition to noise, a faulty driveshaft can cause your car to swerve in tight corners. It can also lead to suspended bindings that limit overall control. Therefore, you should have these symptoms checked by a mechanic as soon as you notice them. If you notice any of the symptoms above, your next step should be to tow your vehicle to a mechanic. To avoid extra trouble, make sure you’ve taken precautions by checking your car’s oil level.
In addition to these symptoms, you should also look for any noise from the drive shaft. The first thing to look for is the squeak. This was caused by severe damage to the U-joint attached to the drive shaft. In addition to noise, you should also look for rust on the bearing cap seals. In extreme cases, your car can even shudder when accelerating.
Vibration while driving can be an early warning sign of a driveshaft failure. Vibration can be due to worn bushings, stuck sliding yokes, or even springs or bent yokes. Excessive torque can be caused by a worn center bearing or a damaged U-joint. The vehicle may make unusual noises in the chassis system.
If you notice these signs, it’s time to take your car to a mechanic. You should check regularly, especially heavy vehicles. If you’re not sure what’s causing the noise, check your car’s transmission, engine, and rear differential. If you suspect that a driveshaft needs to be replaced, a certified mechanic can replace the driveshaft in your car.

Drive shaft type

Driveshafts are used in many different types of vehicles. These include four-wheel drive, front-engine rear-wheel drive, motorcycles and boats. Each type of drive shaft has its own purpose. Below is an overview of the 3 most common types of drive shafts:
The driveshaft is a circular, elongated shaft that transmits torque from the engine to the wheels. Drive shafts often contain many joints to compensate for changes in length or angle. Some drive shafts also include connecting shafts and internal constant velocity joints. Some also include torsional dampers, spline joints, and even prismatic joints. The most important thing about the driveshaft is that it plays a vital role in transmitting torque from the engine to the wheels.
The drive shaft needs to be both light and strong to move torque. While steel is the most commonly used material for automotive driveshafts, other materials such as aluminum, composites, and carbon fiber are also commonly used. It all depends on the purpose and size of the vehicle. Precision Manufacturing is a good source for OEM products and OEM driveshafts. So when you’re looking for a new driveshaft, keep these factors in mind when buying.
Cardan joints are another common drive shaft. A universal joint, also known as a U-joint, is a flexible coupling that allows 1 shaft to drive the other at an angle. This type of drive shaft allows power to be transmitted while the angle of the other shaft is constantly changing. While a gimbal is a good option, it’s not a perfect solution for all applications.
CZPT, Inc. has state-of-the-art machinery to service all types of drive shafts, from small cars to race cars. They serve a variety of needs, including racing, industry and agriculture. Whether you need a new drive shaft or a simple adjustment, the staff at CZPT can meet all your needs. You’ll be back on the road soon!

U-joint

If your car yoke or u-joint shows signs of wear, it’s time to replace them. The easiest way to replace them is to follow the steps below. Use a large flathead screwdriver to test. If you feel any movement, the U-joint is faulty. Also, inspect the bearing caps for damage or rust. If you can’t find the u-joint wrench, try checking with a flashlight.
When inspecting U-joints, make sure they are properly lubricated and lubricated. If the joint is dry or poorly lubricated, it can quickly fail and cause your car to squeak while driving. Another sign that a joint is about to fail is a sudden, excessive whine. Check your u-joints every year or so to make sure they are in proper working order.
Whether your u-joint is sealed or lubricated will depend on the make and model of your vehicle. When your vehicle is off-road, you need to install lubricable U-joints for durability and longevity. A new driveshaft or derailleur will cost more than a U-joint. Also, if you don’t have a good understanding of how to replace them, you may need to do some transmission work on your vehicle.
When replacing the U-joint on the drive shaft, be sure to choose an OEM replacement whenever possible. While you can easily repair or replace the original head, if the u-joint is not lubricated, you may need to replace it. A damaged gimbal joint can cause problems with your car’s transmission or other critical components. Replacing your car’s U-joint early can ensure its long-term performance.
Another option is to use 2 CV joints on the drive shaft. Using multiple CV joints on the drive shaft helps you in situations where alignment is difficult or operating angles do not match. This type of driveshaft joint is more expensive and complex than a U-joint. The disadvantages of using multiple CV joints are additional length, weight, and reduced operating angle. There are many reasons to use a U-joint on a drive shaft.

maintenance interval

Checking U-joints and slip joints is a critical part of routine maintenance. Most vehicles are equipped with lube fittings on the driveshaft slip joint, which should be checked and lubricated at every oil change. CZPT technicians are well-versed in axles and can easily identify a bad U-joint based on the sound of acceleration or shifting. If not repaired properly, the drive shaft can fall off, requiring expensive repairs.
Oil filters and oil changes are other parts of a vehicle’s mechanical system. To prevent rust, the oil in these parts must be replaced. The same goes for transmission. Your vehicle’s driveshaft should be inspected at least every 60,000 miles. The vehicle’s transmission and clutch should also be checked for wear. Other components that should be checked include PCV valves, oil lines and connections, spark plugs, tire bearings, steering gearboxes and brakes.
If your vehicle has a manual transmission, it is best to have it serviced by CZPT’s East Lexington experts. These services should be performed every 2 to 4 years or every 24,000 miles. For best results, refer to the owner’s manual for recommended maintenance intervals. CZPT technicians are experienced in axles and differentials. Regular maintenance of your drivetrain will keep it in good working order.