|52v1000w mid drive motor
|6061 Alloy Aluminum
|Bafang G510 mid motor
|52V17.5Ah*2 CZPT Battery Cells
|Hydraulic Suspension Fork
|Front and rear light available
|Tektro Hydraulic Disc Brake
|Bafang color LCD display
|9/11 Speed Shimano/Microshift
|52V controller integrated with frame
|9/11 Speed Shimano/Microshift
|Torque sensor, pedal assisted
|13g Stainless steel
|Plug as final market requirement
|Rust resistant chain
|90km+ by PAS
|N.W / G.W
|45kg / 55kg
The Manufacturer and Trade company
HangZhou Lanbo Technology Co., Ltd
HangZhou Bridge Import & Export Co., Ltd
10years experience R&D team
Consisted of engineers from famous company such as Ginat, Lvyuan and etc. More than 10 years professional R&D experience can help you to design, open mould, make samples, provide professional ODM and OEM service with flexibility.
50000pcs annual production capacity
2 e-bike assembly lines, stereoscopic warehouse, CNC workshop,wheel winding assembly line, packing line help to support intime delivery.
7years mature cooperation with famous brands
Longtime support from famous bike part brands such as Bafang, Tektro, Shimano, Suntour, RST, Promax, Wellgo, Selle Royal and etc to shorten the production leadtime
100% test of the bike
Strict QC process has been poved by years cooperation with USA brands such as Juiced Bikes, Bird and etc, including IQC, IPQC, FQC, OQC. 100% test of the bike before delivery is promised.
4hours to HangZhou port, 1.5hour from HangZhou airport, 2hours from ZheJiang Xihu (West Lake) Dis.ao Airport by CRH train
Only 4 hours to HangZhou port ensures the container to arrive at the port before the cutom closing time.
1.5hour from HangZhou airport, 2hours from ZheJiang Xihu (West Lake) Dis.ao airport, you can easily come and visit our factory.
Two choices for you:
A:All-in-1 cotton packaging.
If you sell directly to customers, we advise packing in this way,this kind of packing can greatly help to deal with the rough handling but at the same time, it will cost more.
If you sell to distributors, we advise you use this packing method: pearl cotton and carto. This kind of protection may not as perfect as the above one, but if sell to distributors, it is sufficient to protect the bikes. Also it will be cheaper than the first one.
1. Q: Where is your company located? How can I visit there?
A: We are located in HangZhou, ZHangZhoug province of China. It’s 4 hours’ drive from ZheJiang airport and 2 hours’ drive from HangZhou airport. It could be faster by CRH train. We warmly welcome business and technical partners from worldwide
2. Q: Can I get sample and how long will it take?
A: Yes, sample order is available for quality check and market test. If it is the type we have in stock, it normally takes within 10 days to deliver. If it is a new type or customized, it may need 2-3 months depending on different parts lead time.If it is a new type or customized, it may need 2-3 months depending on different parts lead time.
3. Q: What’s the MOQ?
A: MOQ is 10pcs for each model. If less than MOQ, we will charge sample fee accordingly.
4. Q: Can I have my own customized product?
A: Yes. We are a veteran manufacturer and totally back up our customers to establish their own brand. OEM&ODM are both available, including outlook, logo, color and package design etc.
5. Q: Can I mix different models in 1 container?
A: Yes. You can mix up 3-4 different models in 1 container.
6. Q: What’s the delivery time?
A: It normally takes about 30-60 days to finish order. But the exact time is according to actual situation.
7. Q: What is the payment terms?
A: T/T and L/C at sight.
8. Q: How does your factory carry out quality control?
A:We have a mature and strict QC process, including IQC, IPQC, FQC, and OQC. Thus we have a good quality control on key parts including battery, motor, brake and other electronic and mechanical parts. We have professional testers to do 100% road testing. Our factory meets the ISO9001:2015 management standards.
9.Q:Can I choose any color?
A: Yes. We can provide various color options.
10. Q:What are your terms of packing?
A: Each bike will be packed by 7-layer carton with EPE stuffing, which providing double protection. Carton marks can be customized accordingly.
11.Q:Are you a trading company or manufacturer?
A: We are an experienced manufacturer with a factory covering an area over 9000 square meters, including assembly workshop, wheel-knitting workshop, CNC processing workshop, R&D center, warehouse and etc.. We also have exporting company can do international trading business.
12.Q:How about your Warranty?
A:a)Charger, motor and lithium battery: 24 months warranty.
b)Controller: 18 months warranty
c)Frame: 36 months warranty.
The following conditions, not including in warranty policy:
a.) Any damages caused by human factor.
b.) Dismounting any parts without professional technical people.
c.) Use other parts in our electric bike or scooter.
d.) Damages caused by traffic accident and other accident.
e.) The problem caused by overloading.
13.Q:Can you change specifications for me ?
A:Yes. We will evaluate customized changes and provide ODM and OEM service.
14.Q:What’s your online service time?
A:We are on-line from 8:00am to 17.00pm ZheJiang Time (GMT+8),from Monday to Saturday. Please leave message when we are offline, we will reply as long as we read it.
How to Identify a Faulty Drive Shaft
The most common problems associated with automotive driveshafts include clicking and rubbing noises. While driving, the noise from the driver’s seat is often noticeable. An experienced auto mechanic can easily identify whether the sound is coming from both sides or from 1 side. If you notice any of these signs, it’s time to send your car in for a proper diagnosis. Here’s a guide to determining if your car’s driveshaft is faulty:
Symptoms of Driveshaft Failure
If you’re having trouble turning your car, it’s time to check your vehicle’s driveshaft. A bad driveshaft can limit the overall control of your car, and you should fix it as soon as possible to avoid further problems. Other symptoms of a propshaft failure include strange noises from under the vehicle and difficulty shifting gears. Squeaking from under the vehicle is another sign of a faulty driveshaft.
If your driveshaft fails, your car will stop. Although the engine will still run, the wheels will not turn. You may hear strange noises from under the vehicle, but this is a rare symptom of a propshaft failure. However, you will have plenty of time to fix the problem. If you don’t hear any noise, the problem is not affecting your vehicle’s ability to move.
The most obvious signs of a driveshaft failure are dull sounds, squeaks or vibrations. If the drive shaft is unbalanced, it is likely to damage the transmission. It will require a trailer to remove it from your vehicle. Apart from that, it can also affect your car’s performance and require repairs. So if you hear these signs in your car, be sure to have it checked by a mechanic right away.
Drive shaft assembly
When designing a propshaft, the design should be based on the torque required to drive the vehicle. When this torque is too high, it can cause irreversible failure of the drive shaft. Therefore, a good drive shaft design should have a long service life. Here are some tips to help you design a good driveshaft. Some of the main components of the driveshaft are listed below.
Snap Ring: The snap ring is a removable part that secures the bearing cup assembly in the yoke cross hole. It also has a groove for locating the snap ring. Spline: A spline is a patented tubular machined element with a series of ridges that fit into the grooves of the mating piece. The bearing cup assembly consists of a shaft and end fittings.
U-joint: U-joint is required due to the angular displacement between the T-shaped housing and the pinion. This angle is especially large in raised 4x4s. The design of the U-joint must guarantee a constant rotational speed. Proper driveshaft design must account for the difference in angular velocity between the shafts. The T-bracket and output shaft are attached to the bearing caps at both ends.
Your vehicle has a set of U-joints on the driveshaft. If your vehicle needs to be replaced, you can do it yourself. You will need a hammer, ratchet and socket. In order to remove the U-joint, you must first remove the bearing cup. In some cases you will need to use a hammer to remove the bearing cup, you should be careful as you don’t want to damage the drive shaft. If you cannot remove the bearing cup, you can also use a vise to press it out.
There are 2 types of U-joints. One is held by a yoke and the other is held by a c-clamp. A full ring is safer and ideal for vehicles that are often used off-road. In some cases, a full circle can be used to repair a c-clamp u-joint.
In addition to excessive torque, extreme loads and improper lubrication are common causes of U-joint failure. The U-joint on the driveshaft can also be damaged if the engine is modified. If you are driving a vehicle with a heavily modified engine, it is not enough to replace the OE U-joint. In this case, it is important to take the time to properly lubricate these components as needed to keep them functional.
QU40866 Tube Yoke is a common replacement for damaged or damaged driveshaft tubes. They are desirably made of a metallic material, such as an aluminum alloy, and include a hollow portion with a lug structure at 1 end. Tube yokes can be manufactured using a variety of methods, including casting and forging. A common method involves drawing solid elements and machining them into the final shape. The resulting components are less expensive to produce, especially when compared to other forms.
The tube fork has a connection point to the driveshaft tube. The lug structure provides attachment points for the gimbal. Typically, the driveshaft tube is 5 inches in diameter and the lug structure is 4 inches in diameter. The lug structure also serves as a mounting point for the drive shaft. Once installed, Tube Yoke is easy to maintain. There are 2 types of lug structures: 1 is forged tube yoke and the other is welded.
Heavy-duty series drive shafts use bearing plates to secure the yoke to the U-joint. All other dimensions are secured with external snap rings. Yokes are usually machined to accept U-bolts. For some applications, grease fittings are used. This attachment is more suitable for off-road vehicles and performance vehicles.
The end yoke of the drive shaft is an integral part of the drive train. Choosing a high-quality end yoke will help ensure long-term operation and prevent premature failure. Pat’s Driveline offers a complete line of automotive end yokes for power take-offs, differentials and auxiliary equipment. They can also measure your existing parts and provide you with high quality replacements.
A U-bolt is an industrial fastener with threaded legs. When used on a driveshaft, it provides greater stability in unstable terrain. You can purchase a U-bolt kit to secure the pinion carrier to the drive shaft. U-bolts also come with lock washers and nuts. Performance cars and off-road vehicles often use this type of attachment. But before you install it, you have to make sure the yoke is machined to accept it.
End yokes can be made of aluminum or steel and are designed to provide strength. It also offers special bolt styles for various applications. CZPT’s drivetrain is also stocked with a full line of automotive flange yokes. The company also produces custom flanged yokes for many popular brands. Since the company has a comprehensive line of replacement flange yokes, it can help you transform your drivetrain from non-serviceable to serviceable.
The first step in repairing or replacing an automotive driveshaft is to replace worn or damaged bushings. These bushings are located inside the drive shaft to provide a smooth, safe ride. The shaft rotates in a rubber sleeve. If a bushing needs to be replaced, you should first check the manual for recommendations. Some of these components may also need to be replaced, such as the clutch or swingarm.