China wholesaler The Sprocket Aluminum Alloy Casting Custom Sprocket for Speedway Bicycle

Product Description

Product Description

the sprocket aluminum alloy casting custom sprocket for speedway bicycle
 

  Material  Tensile Strength  Yield Strength (0.2%)  Impact Strength  Shear Strength  Hardness  Elongation   
  PSI X 10³  PSI X 10³  FT lb  PSI X 10³  Brinell (HB)  % in 50mm 
ADC12  45 22 3 75 3.5
A380  47 23 3 27 80 3.5
A360  46 24 26 75 3.5
B390  46 36 120 1
ZAMAK 3  41 32 43 31 82 10
ZAMAK 5  48 33 48 38 91 7
ZA27  61 55 9.4 47 119 3

What kind of die casting we can supply?
 

Machine  Die casting machine 88 ton/280 ton/400 ton/500 ton/800 ton/1250 ton 
Material  Aluminum alloy ADC10 . ADC12 . A 360 . A380  .zinc alloy
Process  Drawing & Samples→Mould making→ Die casting  →  Deburring  → 
 Drilling and threading →  CNC Machining  → Polishing  →  Surface treatment 
 →  Assembly  →  Quality inspection  →  Packing →Shipping
Surface treatment  Polishing, Sandblasting, Painting, Powder coating, Galvanizing, Chrome plating,Spray coating, 
Application   Led light housing & Led Heatsink
  Auto & motocyle & bicycle  parts
  Furniture accessories         
  Power tool housing                                                       
  Pump housing 
  Mechanical parts   
Diecasting kitchen utensils
Drawing Format Auto CAD,CAD, PDF,3D, SLDPRT
ISO Cetificate  ISO9001-2008, Rohs
Payment term T/T, L/C, Western union
QC system 100% inspection before package or 1 by one
Lead time 10~25working days according on quantity
Monthly capacity 50,000pcs
Our advantage  More than 15 years of experience in die casting field.                                               
 With talented and experienced engineers

 Why you choose us?

  1.we have full automatic equipment (Cold chamber die-casting machine, hot chamber die-casting machine, second machining center, multi-axis drilling machine ….

 2.we Can also supply with plated and anodized or chromated finish. Plated finish includes zinc, nickel, chrome, antique copper, antique brass etc.

 3. professional R & D team (mold designer, mold programmer, etc.)

 4. Experienced quality QC team(100% inspection before shipping and provide full tracking services).

5. the excellent sales department (to provide you with 24 hours of service, High quality and competitive prices and timely delivery) .

6. OEM and ODM services (your ideas we realize, your drawings we produce).

7.We have lots of experience in export, we export to many country, Mainly in America and Europe. 

What kind products we can do?

. Led light housing & Led Heatsink & led industrial high light

. Auto & motocyle & bicycle  parts

.Juice extractor & Coffee machine base 

. Furniture accessories  & hardware

. Power tool housing   
 

Our Advantages

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Hong Fu Xin precision technology company founded in 2004 with having ISO9001: 2008 & RoHS certificates. we are specialized in diecasting parts in past 15years. we have full-automatic diecasting machine from 88t to 1250t,4000m2 CZPT workshop, various CNC machining equipment. We are familiar with various surface treatment which have electroplate  ,   Powder coating , anodized  , high Polishing ,  Shot blasting ,  Sand blasting so on…

FAQ:

1. Are you a manufacturer or a trading company?

We are a professional manufacturer with over 15 years’ export experience for designing and producing mult die casting parts.
 

2. How can I get some samples?

If you need, we are glad to offer you free samples,but the new clients are expected to pay the courier cost, and the charge will be deducted from the payment for formal order.
 

3. Can you make casting according to our drawing?

Yes, we can make casting according to your drawing, 2D drawing, or 3D cad model. If the 3D cad model can be supplied, the development of the tooling can be more efficient. But without 3D, based on 2D drawing we can still make the samples properly approved.
 

4. Can you make casting based on our samples?

Yes, we can make measurement based on your samples to make drawings for tooling making.
 

5. What’s your quality control device in house?

We have spectrometer in house to monitor the chemical property, tensile test machine to control the mechanical property and UT Sonic as NDT checking method to control the casting detect under the surface of casting.

 

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Die Casting Machine Type: Hot Chamber Die Casting Machine
Die Casting Method: Precision Die Casting
Application: Auto Parts
Machining: CNC Machining
Material: Aluminum, A360/As80/A356, Zinc Alloy
Surface Preparation: Powder Coating
Customization:
Available

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Customized Request

bike sprocket

How often should I replace bike sprockets to maintain optimal performance?

The frequency of replacing bike sprockets to maintain optimal performance depends on several factors, including the type of riding you do, environmental conditions, and how well you maintain your bike. Sprockets are subject to wear and tear over time, especially if you ride frequently and in challenging conditions. Here are some considerations for determining when to replace bike sprockets:

  • Visual Inspection: Regularly inspect your sprockets for signs of wear, such as hooked or pointed teeth, elongation, or missing teeth. If you notice significant wear or damage, it’s time to replace them.
  • Chain Wear: Sprocket wear is closely related to chain wear. As the chain stretches and elongates over time, it causes increased pressure and wear on the sprocket teeth. If you regularly replace your chain and practice good chain maintenance, you can extend the lifespan of your sprockets.
  • Riding Conditions: Riding in harsh conditions, such as muddy or sandy terrain, can accelerate sprocket wear. If you frequently ride in such environments, you may need to replace sprockets more often.
  • Shifting Performance: Worn-out sprockets can negatively impact shifting performance. If you experience frequent chain slipping, skipping, or difficulty shifting, it could be a sign that your sprockets need replacement.
  • Regular Maintenance: Proper bike maintenance, including regular cleaning, lubrication, and keeping the drivetrain clean, can help prolong the life of your sprockets. Regularly cleaning and lubricating the chain can reduce wear on both the chain and the sprockets.

As a general guideline, many cyclists replace their sprockets and chain together to ensure proper compatibility and reduce the risk of premature wear. In typical riding conditions, sprockets on a road bike may last anywhere from 3,000 to 10,000 miles (4,800 to 16,000 kilometers) or more. Mountain bike sprockets, which endure more demanding conditions, may need replacement more frequently, typically between 2,000 to 5,000 miles (3,200 to 8,000 kilometers).

Ultimately, the best way to determine when to replace your bike sprockets is through regular inspection and paying attention to your bike’s performance. If you notice any significant wear, shifting issues, or reduced performance, it’s a good indication that it’s time to invest in new sprockets for maintaining optimal performance.

bike sprocket

How do I know if my bike sprockets are compatible with my chain and derailleurs?

Ensuring compatibility between bike sprockets, chains, and derailleurs is essential for smooth and efficient gear shifting. Here are the steps to determine if your bike sprockets are compatible:

1. Sprocket Type: Identify the type of sprocket setup on your bike. Most modern bicycles use cassette-style sprockets on the rear wheel and one to three chainrings at the front crankset. Make sure you know the number of sprockets on your cassette and the number of chainrings on your crankset.

2. Chain Speed: Check the speed of your bike’s chain. This refers to the number of rear sprockets and the corresponding chain width. Common chain speeds for modern bikes are 8-speed, 9-speed, 10-speed, 11-speed, or 12-speed. The chain speed must match the number of sprockets on the rear cassette.

3. Chain Width: Ensure that the chain width corresponds to the chain speed. For example, an 8-speed chain is wider than a 10-speed chain. Using the correct chain width is crucial for proper engagement with the sprockets and chainrings.

4. Derailleur Compatibility: Check if your derailleurs are compatible with the number of sprockets on the cassette and the chainrings. Different chain speeds require derailleurs with specific capacity and range to accommodate the various gear ratios.

5. Teeth Count: Consider the number of teeth on your chainrings and cassette sprockets. The chainrings’ teeth count affects the bike’s gear range and overall gearing ratios. Make sure the combination of chainrings and cassette sprockets provides the desired gear ratios for your riding style and terrain.

6. Brand and Model: When replacing sprockets, chains, or derailleurs, try to use components from the same brand and model series. Mixing different brands or models may lead to compatibility issues, affecting shifting performance.

7. Seek Professional Advice: If you are unsure about compatibility or need to make significant changes to your bike’s sprocket setup, it’s advisable to seek the advice of a professional bike mechanic or a knowledgeable cycling specialist. They can help you choose the appropriate components and ensure compatibility between the sprockets, chain, and derailleurs.

Proper compatibility between sprockets, chains, and derailleurs is crucial for optimal performance, smooth gear shifting, and overall riding experience. Taking the time to ensure compatibility and using quality components will contribute to a more enjoyable and efficient cycling experience.

bike sprocket

How do I choose the right size and number of teeth for bike sprockets?

Choosing the right size and number of teeth for bike sprockets, both front chainrings and rear cassette sprockets, is essential to optimize your bicycle’s performance and gearing for your riding needs. Here’s how you can make the right selection:

1. Consider Your Riding Terrain:

Take into account the type of terrain you’ll be riding on most frequently:

  • Flat Terrain: For mostly flat or gently rolling terrain, larger front chainrings and rear sprockets with more teeth provide higher gear ratios and greater speed potential.
  • Hilly Terrain: If you’ll be riding in hilly areas, consider smaller front chainrings and rear sprockets. These lower gear ratios will make climbing easier by requiring less pedaling effort.

2. Assess Your Fitness Level:

Your fitness level and leg strength play a role in gear selection. Cyclists with more strength and fitness may prefer larger chainrings and sprockets for faster riding, while beginners or less experienced riders may benefit from smaller gears for easier pedaling.

3. Determine Your Gear Range:

Consider the range of gears you’ll need to cover your typical rides. Having a good gear range ensures you have options for different riding conditions. A wide range of gears allows you to comfortably pedal at various speeds and tackle steep climbs and fast descents.

4. Understand Gear Ratios:

It’s essential to understand how gear ratios work. The gear ratio is determined by the number of teeth on the front chainring divided by the number of teeth on the rear sprocket. For example, if the front chainring has 50 teeth and the rear sprocket has 20 teeth, the gear ratio is 50/20 = 2.5.

5. Experiment and Test:

Choosing the right sprocket sizes may involve some trial and error. If possible, test ride bicycles with different gear setups to get a feel for what works best for you. Consider factors like comfort, ease of pedaling, and the ability to maintain a comfortable cadence.

6. Seek Expert Advice:

If you’re unsure about selecting the right sprocket sizes, don’t hesitate to seek advice from a knowledgeable bike mechanic or a reputable bike shop. They can provide valuable insights and help you find the best gear configuration for your specific needs.

Remember, the ideal sprocket sizes for your bike may depend on personal preference, fitness level, riding style, and the type of riding you plan to do. By understanding the principles behind gear ratios and considering your unique riding requirements, you can choose sprockets that enhance your biking experience and help you achieve your cycling goals.

China wholesaler The Sprocket Aluminum Alloy Casting Custom Sprocket for Speedway Bicycle  China wholesaler The Sprocket Aluminum Alloy Casting Custom Sprocket for Speedway Bicycle
editor by Dream 2024-04-19