China Standard 24t/29t/31t/35t/37t Tooth Rear Gear Sprocket for Z50 Z50A Z50j Z50r Mini Trail Monkey Bike

Product Description

Product Description

   HangZhou Doopool Metal Co., Ltd. is a production and sales all kinds of cast iron cast steel products, such as fittings, auto parts, construction machinery, agricultural machinery parts, mining machinery parts, industrial pump body, valve and accessories professional castings.

Company Profile

    Factory is located in HangZhou HangZhou city. Factory covers an area of 5000 m squared, existing staff 80 people, including engineering and technical personnel 10 people, management staff 5 people.
    Doopool adopt different casting process, the production of various kinds of carbon steel, alloy steel, the material such as stainless steel precision casting parts, and machinery processing, the annual output of 1500tons.Casting stable material according to the international standard, GB, American standard ASTM, AISI; Germany DIN; Japan’s JIS; British standard BS, etc is very extensive. Products are widely applied, almost cover the whole mechanical industry and machinery processing industry can be applied fields, mainly mining, engineering machinery, ships, railways, electric power, automobile, machinery, hardware tools, agricultural machinery, construction and other industries. 

  Company introduction of high-tech precision detection equipment and technology, material chemical analysis, mechanical property testing, precision size and many of the detection ability to detect the thickness of the paint.

Certifications

Packaging & Shipping

FAQ

Q1: How can we quote for you?
A: Please send us information for quote: drawing, material, weight, quantity and request.

Q2: Which material are often used ?
 A: Stainless steel. alloy steel, carbon steel, aluminum, ductile iron,gray iron.

Q3: Which product are often processed by your company ?
A: auto parts, construction machinery, agricultural machinery parts, mining machinery parts, industrial pump body, valve and accessories professional castings.

Q4: What is the MOQ ?
A: Based on the product, normal 100 pcs.

Q5. Can we make the samples?
Is Available,the accurate time depends on your product.

 Q6. What is your main order time?
Order time: 35-40 days after the payment. The accurate time depends on your product. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Casting Method: Silica Sol Process, Water Glass
Casting Form Material: Metal
Casting Metal: Cast Iron
Casting Form Usage Count: Semi-permanent
Surface Treatment: Spray-Paint
Surface Roughness: Ra1.6
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

bike sprocket

Can bike sprockets affect the overall speed and efficiency of a bicycle?

Yes, bike sprockets play a significant role in determining the overall speed and efficiency of a bicycle. The sprockets are part of the drivetrain, which includes the chain, front chainrings, and rear sprockets (also known as cogs). The size and number of teeth on the sprockets can impact the bike’s speed, pedaling cadence, and overall performance. Here’s how bike sprockets affect the bike’s speed and efficiency:

  • Speed and Gear Ratios: The number of teeth on the front chainrings and rear sprockets determines the gear ratios available on the bike. Larger chainrings or sprockets generally provide higher gear ratios, suitable for higher speeds and flat terrain. Smaller chainrings or sprockets offer lower gear ratios, ideal for climbing hills and maintaining control at lower speeds.
  • Efficient Pedaling: Choosing the right combination of chainring and sprocket (gear) ensures efficient pedaling. When the gear ratio matches the terrain and rider’s abilities, they can maintain an optimal pedaling cadence. Pedaling too fast or too slowly can lead to inefficiency and fatigue.
  • Cadence: Cadence refers to the speed at which a cyclist pedals. Finding the right cadence is crucial for energy efficiency and endurance. With the appropriate gear ratio, cyclists can maintain their preferred cadence, whether they want to spin at a high cadence for endurance or push harder at a lower cadence for more power.
  • Effect on Terrain: Different terrains require different gear ratios. Steep climbs demand lower gears to provide enough power without putting excessive strain on the rider’s legs. On flat or downhill stretches, higher gears enable the rider to attain higher speeds with less pedaling effort.
  • Aerodynamics: Speed and efficiency can also be affected by the rider’s position and aerodynamics. Higher gears that allow for faster speeds can expose the rider to more wind resistance, making it harder to maintain speed compared to using lower gears.
  • Mechanical Efficiency: The condition of the chain and sprockets also influences mechanical efficiency. A well-maintained drivetrain with clean and properly lubricated sprockets and chain reduces friction and improves power transfer, enhancing overall efficiency.

Choosing the appropriate sprocket sizes and gear ratios for your riding style and the terrain you frequent can significantly impact the bike’s speed and efficiency. Regular maintenance, including keeping the sprockets clean and in good condition, is crucial for maintaining optimal performance.

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

Can you explain the function of front and rear bike sprockets?

In a bicycle’s drivetrain, both front and rear sprockets play crucial roles in determining the bike’s gear ratios and overall performance. Let’s look at the functions of each:

1. Front Sprockets (Chainrings):

Front sprockets, also known as chainrings, are located at the crankset, which is attached to the bicycle’s pedals. They come in various sizes, commonly referred to by the number of teeth they have. The main function of the front sprockets is to transfer the rider’s pedaling power to the rear wheel through the chain. Here’s how they work:

  • Gear Ratio Selection: Bicycles often have multiple chainrings with different tooth counts. By shifting the chain between these chainrings using the front derailleur, the rider can choose different gear ratios. Smaller chainrings are typically used for easier climbing and lower speeds, while larger chainrings provide higher speeds on flat terrain or descents.
  • Change in Gear Ratios: When the chain moves between different-sized chainrings, the effective gear ratio changes. Moving to a larger chainring provides a higher gear, requiring more effort but enabling faster speeds. Conversely, shifting to a smaller chainring gives a lower gear, requiring less effort but offering easier pedaling, especially on inclines.

2. Rear Sprockets (Cassette):

The rear sprockets are part of the cassette, which is mounted on the rear wheel’s hub. Like the front sprockets, the rear sprockets also come in different sizes, with each sprocket having a specific number of teeth. The functions of the rear sprockets are as follows:

  • Gear Ratio Fine-Tuning: The cassette offers more gear ratio options, providing finer adjustments to the bike’s gearing. By shifting the chain between different sprockets using the rear derailleur, the rider can fine-tune their gear ratio to match the terrain and riding conditions more precisely.
  • Combination with Front Sprockets: The interaction between the front and rear sprockets allows for a wide range of gear ratios. By selecting an appropriate combination of front and rear sprockets, cyclists can optimize their pedaling efficiency, maintain a consistent cadence, and achieve comfortable speeds for different situations.

Together, the front and rear sprockets form the bicycle’s gear system, enabling riders to tackle various terrains and adapt their pedaling effort to different riding conditions. By understanding how to use the sprockets effectively, cyclists can make the most out of their bike’s capabilities and enjoy a smoother, more efficient, and enjoyable riding experience.

China Standard 24t/29t/31t/35t/37t Tooth Rear Gear Sprocket for Z50 Z50A Z50j Z50r Mini Trail Monkey Bike  China Standard 24t/29t/31t/35t/37t Tooth Rear Gear Sprocket for Z50 Z50A Z50j Z50r Mini Trail Monkey Bike
editor by CX 2024-03-29