China wholesaler CNC Machining Bar Turning Autobike Autocycle Bicycle Motorcycle Scooter Car Auto Stainless Steel 301 304 316 Shaft Sprocket

Product Description

Hi! dear,

We are HangZhou Hanryk Preicison Parts Co., LTD, with 16 years experience of manufacturing and exporting CNC machining precision parts, laser-cutting parts, stamping parts and so on.  Please provide 2D or 3D drawings of the spare parts you need and tell us your required quantities. We will give you a quote asap.

We can produce customized non-standard parts including bicycle parts, motorcycle parts, auto parts (sprockets, steering and transmission systems, engine parts, shock absorber parts, brakes, brackets, body parts), aircraft parts, agricultural machinery parts , Medical titanium alloy accessories, manipulator accessories, sensor accessories, instrumentation parts, instrument/device housings, motor parts, shafts, elevator accessories, gears, guide rails, ball screws, splines, screws and nuts, spacers, bearing accessories, Flanges, valves, etc.
 

Basic Info. of Our Customized CNC Machining Parts
Quotation According To Your Drawings or Samples. (Size, Material, Thickness, Processing Content And Required Technology, etc.)
Tolerance  +/-0.005 – 0.01mm (Customizable)
Surface Roughness Ra0.2 – Ra3.2 (Customizable)
Materials Available Aluminum, Copper, Brass, Stainless Steel, Titanium, Iron, Plastic, Acrylic, PE, PVC, ABS, POM, PTFE etc.
Surface Treatment Polishing, Surface Chamfering, Hardening and Tempering, Nickel plating, Chrome plating, zinc plating, Laser engraving, Sandblasting, Passivating, Clear Anodized, Color Anodized, Sandblast Anodized, Chemical Film, Brushing, etc.
Processing Hot/Cold forging, Heat treatment, CNC Turning, Milling, Drilling and Tapping, Surface Treatment, Laser Cutting, Stamping, Die Casting, Injection Molding, etc.
Testing Equipment Coordinate Measuring Machine (CMM) / Vernier Caliper/ / Automatic Height Gauge /Hardness Tester /Surface Roughness Teste/Run-out Instrument/Optical Projector, Micrometer/ Salt spray testing machine
Drawing Formats PRO/E, Auto CAD, CZPT Works , UG, CAD / CAM / CAE, PDF
Our Advantages 1.) 24 hours online service & quickly quote and delivery.
2.) 100% quality inspection (with Quality Inspection Report) before delivery. All our products are manufactured under ISO 9001:2015.
3.) A strong, professional and reliable technical team with 16+ years of manufacturing experience.
4.) We have stable supply chain partners, including raw material suppliers, bearing suppliers, forging plants, surface treatment plants, etc.
5.) We can provide customized assembly services for those customers who have assembly needs.

 

Available Material
Stainless Steel    SS201,SS301, SS303, SS304, SS316, SS416, etc.
Steel    mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45#, etc.
Brass    HPb63, HPb62, HPb61, HPb59, H59, H62, H68, H80, etc.
Copper     C11000, C12000,C12000, C36000 etc.
Aluminum     A380, AL2571, AL6061, Al6063, AL6082, AL7075, AL5052, etc.
Iron     A36, 45#, 1213, 12L14, 1215 etc.
Plastic     ABS, PC, PE, POM, Delrin, Nylon, PP, PEI, Peek etc.
Others     Various types of Titanium alloy, Rubber, Bronze, etc.

 

Available Surface Treatment
Stainless Steel Polishing, Passivating, Sandblasting, Laser engraving, etc.
Steel Zinc plating, Oxide black, Nickel plating, Chrome plating, Carburized, Powder Coated, etc.
Aluminum parts Clear Anodized, Color Anodized, Sandblast Anodized, Chemical Film, Brushing, Polishing, etc.
Plastic Plating gold(ABS), Painting, Brushing(Acylic), Laser engraving, etc.

FAQ:

Q1: Are you a trading company or a factory?
A1: We are a factory

Q2: How long is your delivery time?
A2: Samples are generally 3-7 days; bulk orders are 10-25 days, depending on the quantity and parts requirements.

Q3: Do you provide samples? Is it free or extra?
A3: Yes, we can provide samples, and we will charge you based on sample processing. The sample fee can be refunded after placing an order in batches.

Q4: Do you provide design drawings service?
A4: We mainly customize according to the drawings or samples provided by customers. For customers who don’t know much about drawing, we also   provide design and drawing services. You need to provide samples or sketches.

Q5: What about drawing confidentiality?
A5: The processed samples and drawings are strictly confidential and will not be disclosed to anyone else.

Q6: How do you guarantee the quality of your products?
A6: We have set up multiple inspection procedures and can provide quality inspection report before delivery. And we can also provide samples for you to test before mass production. /* 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

Type: Steering Bearing
Material: Aluminium Alloy/Aluminum
Certification: ISO9001:2001, CCC, SONCAP, CE
Surface Treatment: Zinc Plated, Chrom Plated, Sand Blasting, Dull Polish, Polishing, Gold Coated, Copper Coated
Transport Package: as Required
Specification: Customized
Samples:
US$ 1/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

How do I prevent chain slippage and skipping issues with bike sprockets?

Chain slippage and skipping can be frustrating and potentially dangerous while riding a bicycle. However, there are several preventive measures and maintenance practices that can help minimize these issues:

1. Chain Lubrication:

Regularly lubricating the chain is crucial to reduce friction and wear. Use a bicycle-specific chain lubricant and apply it to the chain links evenly. Wipe off any excess oil to prevent attracting dirt and debris that can contribute to skipping.

2. Chain Cleaning:

Keep the chain clean by regularly removing dirt and grime. Use a chain cleaning tool or a rag soaked in a degreaser to clean the chain thoroughly. Clean chains operate more smoothly and are less likely to skip.

3. Chain Tension:

Proper chain tension is essential for smooth shifting and reduced skipping. If your bike has a derailleur, follow the manufacturer’s guidelines for setting the correct chain tension. In the case of single-speed or internally geared bikes, ensure that the chain tension is appropriately adjusted.

4. Sprocket and Chainring Inspection:

Regularly inspect the sprockets and chainrings for wear. Worn-out teeth can cause chain skipping. Replace any sprocket or chainring that shows significant signs of wear, such as shark-fin-shaped teeth or sharp points.

5. Chain Replacement:

Chains naturally wear out over time, and a stretched chain can lead to skipping issues. Replace the chain before it becomes excessively worn to prevent premature wear on the sprockets.

6. Proper Shifting Technique:

Shift gears smoothly and avoid putting excessive pressure on the chain while shifting. Make sure to ease off the pedals momentarily when shifting to allow the chain to move smoothly between gears.

7. Regular Maintenance:

Perform routine maintenance on your bike, including checking the drivetrain components, cable tension, and derailleurs. Regular maintenance can help identify potential issues before they become major problems.

8. Avoid Cross-Chaining:

Avoid extreme gear combinations known as cross-chaining, such as using the largest chainring with the largest sprocket or the smallest chainring with the smallest sprocket. Cross-chaining can stress the chain and cause skipping.

9. Wheel Alignment:

Ensure that the wheels are properly aligned in the dropouts. Misaligned wheels can lead to poor chain tension and alignment, affecting shifting performance.

By following these preventive measures and conducting regular maintenance, you can significantly reduce the risk of chain slippage and skipping issues with your bike sprockets, ensuring a smoother and more enjoyable ride.

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 wholesaler CNC Machining Bar Turning Autobike Autocycle Bicycle Motorcycle Scooter Car Auto Stainless Steel 301 304 316 Shaft Sprocket  China wholesaler CNC Machining Bar Turning Autobike Autocycle Bicycle Motorcycle Scooter Car Auto Stainless Steel 301 304 316 Shaft Sprocket
editor by Dream 2024-04-24