China Custom 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

company-HangZhou-HongHangZhou-Precision-Technology-Co-Ltd-.html

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

What are the benefits of using lightweight materials in bike sprockets?

Using lightweight materials in bike sprockets offers several benefits that can positively impact a cyclist’s riding experience and performance. Here are the advantages of using lightweight materials:

  • Reduced Overall Weight: Lightweight sprockets contribute to reducing the overall weight of the bicycle. A lighter bike is easier to accelerate, climb hills, and handle, which can improve the rider’s agility and maneuverability.
  • Improved Acceleration: With less rotational mass, the bike’s wheels can accelerate more quickly. This is particularly beneficial for riders who need to frequently start and stop, such as in urban cycling or off-road riding.
  • Enhanced Climbing Performance: Climbing steep hills requires significant effort, and reducing the weight of components like sprockets can help ease the climbing process. Lightweight sprockets reduce the rotational inertia, allowing riders to maintain better momentum during climbs.
  • Lower Inertia: Lower inertia in the drivetrain allows for quicker changes in pedaling cadence. This responsiveness can be advantageous in various riding conditions, including racing and technical terrain.
  • Increased Efficiency: Lightweight materials often have lower frictional losses, leading to improved mechanical efficiency in the drivetrain. This efficiency translates to more power being transferred from the pedals to the wheels, enhancing overall performance.
  • Reduced Fatigue: A lighter bike can reduce the strain on the rider, especially during long rides. Lower weight means less energy expended to propel the bike forward, resulting in reduced rider fatigue and the ability to ride longer distances comfortably.
  • Responsive Handling: Lighter sprockets contribute to the bike’s nimble and responsive handling, making it easier to steer and control the bike, particularly in technical sections and tight corners.

It’s important to note that while lightweight materials offer these advantages, durability and strength should not be compromised. Manufacturers often use materials like aluminum, titanium, or carbon fiber to achieve the desired lightweight properties while ensuring the sprockets maintain sufficient strength and longevity.

When selecting lightweight sprockets, cyclists should consider their riding style, terrain, and intended use. For competitive riders and those seeking peak performance, lightweight sprockets can make a noticeable difference in their cycling experience.

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

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 Custom The Sprocket Aluminum Alloy Casting Custom Sprocket for Speedway Bicycle  China Custom The Sprocket Aluminum Alloy Casting Custom Sprocket for Speedway Bicycle
editor by CX 2024-03-28