China factory Roller Chain Sprocket High Quality Europe Standard 081 Motorcycle Bicycle Sprocket

Product Description

Europe Standard DIN8187-ISO/R606 Roller Chain Sprocket

Product Description
1. Produce strictly in accordance with standard dimension
2. Sprocket Models: Contains special sprocket according to customer’s drawings, standard sprocket
3. Pilot bore, finished bore, taper bore and special bore. 
4. Bright surface / high precision / Blacking
5. Advanced heat treatment and surface treatment craft
6. Best quality and competitive price. 
7. Welcome OEM / ODM 
8. Processing Equipment: Hobbing machine, Slotting machine, CNC lathes and other equipment.

PACKING

Packaging
                      
    Packing  

 

We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements.

OUR COMPANY

ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

 

Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

OUR FACTORY

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit.To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

Standard Or Nonstandard: Standard
Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Manufacturing Method: Cut Gear
Toothed Portion Shape: Spur Gear
Material: Carbon Steel C45
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

bike sprocket

What are the signs of wear and tear in bike sprockets and how do I identify them?

Bike sprockets, also known as cassette sprockets or cogs, are an essential part of the drivetrain that can experience wear and tear over time. Regular inspection can help you identify signs of sprocket wear and determine when replacement is necessary. Here are the common signs of wear and tear in bike sprockets:

  • Hooked Teeth: Inspect the teeth of the sprockets. If you notice that the teeth have a hooked or shark fin-like appearance, it indicates significant wear. This occurs due to the chain wearing down the metal over time.
  • Pointed Teeth: Pointed teeth are another sign of wear, where the tops of the teeth become sharp and pointed instead of having a flat profile.
  • Worn Teeth: Look for flattened or thinned-out teeth, especially in the middle of the sprockets. Worn teeth can affect the chain’s engagement and lead to poor shifting performance.
  • Missing Teeth: If any teeth are completely missing from the sprocket, it’s a clear sign of excessive wear and a replacement is necessary.
  • Chain Skipping: When riding, if the chain skips or jumps over the sprockets, it indicates that the sprockets’ teeth are worn and no longer providing a smooth engagement with the chain.
  • Noisy Shifting: If you notice unusual noise during shifting, it could be due to the chain not meshing properly with the worn sprocket teeth.
  • Chain Elongation: Excessive sprocket wear can accelerate chain elongation, leading to further wear on the sprockets. If you notice your chain has elongated significantly, it’s time to inspect the sprockets for wear.

To identify these signs of wear, you can visually inspect the sprockets. You may need to remove the rear wheel and carefully examine the cassette or freewheel sprockets. Look for any irregularities in the teeth, and run your fingers along the tops of the teeth to feel for sharp points or rough edges.

Regular maintenance and cleaning of your bike’s drivetrain can help identify sprocket wear early on. By keeping the drivetrain clean, properly lubricated, and regularly replacing the chain, you can extend the life of your sprockets and other drivetrain components.

If you notice any of these signs of wear, it’s best to replace the worn sprockets promptly. Replacing sprockets before they become excessively worn can help maintain smooth shifting performance and prolong the life of the entire drivetrain.

bike sprocket

Can I convert my bike’s sprocket setup to achieve higher or lower gear ratios?

Yes, it is possible to convert your bike’s sprocket setup to achieve higher or lower gear ratios. The gear ratio of a bicycle is determined by the number of teeth on the front chainrings and the rear sprockets (cassette or freewheel). Changing the sprocket sizes can alter the gear ratios and provide different cycling experiences based on your preferences and riding conditions.

1. Higher Gear Ratio:

To achieve higher gear ratios, you can either increase the size of the front chainring or decrease the size of the rear sprockets. This will result in a harder pedaling effort but will enable you to achieve higher speeds on flat terrain and downhill. Higher gear ratios are ideal for racing or riding at high speeds.

2. Lower Gear Ratio:

To achieve lower gear ratios, you can either decrease the size of the front chainring or increase the size of the rear sprockets. Lower gear ratios make pedaling easier, especially on uphill climbs or when riding against strong headwinds. It allows you to maintain a comfortable cadence and reduce the strain on your legs.

Considerations:

When converting your bike’s sprocket setup, there are a few important considerations:

A. Chain Length:

Changing the sprocket sizes may require adjusting the chain length. If you are increasing the gear ratio, you may need to lengthen the chain to accommodate the larger sprockets. Conversely, decreasing the gear ratio may require shortening the chain to prevent chain slack.

B. Compatibility:

Ensure that the new sprockets are compatible with your bike’s drivetrain components. Different bikes use different types of sprockets, such as cassettes or freewheels, which have specific mounting systems and require compatible shifters and derailleurs.

C. Chainring Bolt Pattern:

If you plan to change the front chainring, make sure the new chainring has a compatible bolt pattern with your crankset. Different cranksets use various bolt patterns, such as 4-bolt or 5-bolt designs.

D. Shifting Performance:

Changing the gear ratios may impact the smoothness of gear shifting. Ensure that the new sprocket setup works well with your bike’s shifters and derailleurs to avoid shifting issues.

E. Rider Experience:

The ideal gear ratios depend on your riding style, terrain, and fitness level. Experiment with different setups to find the gear ratios that suit your preferences and the type of cycling you do most often.

Converting your bike’s sprocket setup is a great way to customize your riding experience and optimize your bike’s performance for different conditions. However, if you are unsure or not confident in making these changes yourself, it’s best to consult a professional bike mechanic to ensure the modifications are done correctly and safely.

bike sprocket

How do bike sprockets work in conjunction with the chain and other components?

A bike sprocket works in conjunction with the chain and other components of the bicycle’s drivetrain to transfer power from the rider’s pedaling motion to the rear wheel, propelling the bike forward. The drivetrain is a complex system that involves the chain, front and rear sprockets (chainrings and cassette), derailleurs, and shifters. Here’s how these components work together:

1. Pedaling Motion:

When the cyclist pedals, the force applied to the pedals causes the front sprocket (chainring) to rotate. The number of teeth on the chainring determines the gear ratio and the mechanical advantage of the drivetrain. A larger chainring provides more power for higher speeds, while a smaller chainring is used for easier pedaling and climbing hills.

2. Chain Engagement:

As the front chainring rotates, the bicycle chain engages with the teeth on the chainring. The chain is designed to fit perfectly into the spaces between the teeth and mesh securely, ensuring efficient power transfer.

3. Chain Movement:

As the chain engages with the front chainring, it moves around the bike’s sprockets. When the rider switches gears using the shifters, the rear derailleur moves the chain across the rear cassette, selecting different-sized rear sprockets (cogs). The combination of the selected front and rear sprockets determines the gear ratio.

4. Rear Wheel Power:

As the chain engages with the rear cassette’s sprockets, the rotational force is transferred from the chain to the rear wheel. The selected gear ratio affects the bike’s speed and the effort required for pedaling. Higher gear ratios offer higher speeds but require more pedaling effort, while lower gear ratios provide easier pedaling but lower speeds.

5. Shifting Gears:

To shift gears, the rider uses the shifters to move the chain from one sprocket to another. The front derailleur shifts the chain between the front chainrings, while the rear derailleur moves the chain across the rear cassette. Proper gear shifting is crucial for maintaining an efficient cadence and optimizing power transfer.

6. Chain Tension:

The rear derailleur plays a vital role in maintaining proper chain tension. It moves the chain to accommodate the different-sized sprockets and takes up slack when shifting to prevent chain slippage or derailment.

The bike sprockets, chain, derailleurs, and shifters work together harmoniously to provide a wide range of gearing options, making pedaling more efficient and comfortable in various riding conditions. Regular maintenance, including chain lubrication and sprocket inspection, is essential to keep the drivetrain operating smoothly and to extend the life of these components.

China factory Roller Chain Sprocket High Quality Europe Standard 081 Motorcycle Bicycle Sprocket  China factory Roller Chain Sprocket High Quality Europe Standard 081 Motorcycle Bicycle Sprocket
editor by CX 2023-10-11