China best Customized Size ASA40 #40 Sprocket for Bicycle portable air compressor

China Best Customized Size ASA40 #40 Sprocket for Bicycle Portable Air Compressor

China Best Customized Size ASA40 #40 Sprocket for Bicycle Portable Air Compressor

Product Description

DIN Standard Industrial Sprocket


Finished bore, Processing bore, Taper bore


Natural steel or black




Simplex, Duplex, Triplex

Surface treatment

Black oxide, Zinc plated

Heat treatment

High Frequency Quenching

Detailed Photos

1.Chain used

HRSY sprockets are meticulously crafted with precise tooth profiles and dimensional accuracy to maximize the performance of the chain in use.

2. Number of teeth

HRSY sprockets come in a variety of tooth counts to suit different usage conditions, ensuring compatibility and efficiency.

Single pitch sprocket Double pitch sprocket

*Chain matched: 35(06C) /06B Teeth: from 9-120

*Chain matched: 40(08A) /08B Teeth: from 9-120

*Chain matched: 50(10A) /10B Teeth: from 9-120

*Chain matched: 60(12A) /12B Teeth: from 9-120

*Chain matched: 80(16A) /16B Teeth: from 9-120

*Chain matched: 100(20A) /20B Teeth: from 9-120

*Chain matched: 120(24A) /24B Teeth: from 9-120

*Chain matched: 140(28A) /28B Teeth: from 9-120

*Chain matched: 160(32A) /32B Teeth: from 9-120

*Chain matched: 200(40A) /40B Teeth: from 9-120

*P=25.4mm Teeth: from 7-100

*P=31.8mm Teeth: from 7-100

*P=38.1mm Teeth: from 7-100

*P=50.8mm Teeth: from 7-100

*P=63.5mm Teeth: from 7-100

3. Construction

Available in A type, B type, C type, and SD type options.

4. Material

Our sprockets are made from a variety of materials including Carbon Steel, Stainless Steel, Aluminum, Nylon, POM, Copper, Brass, 42CrMo, 40Cr, and A3.

5. Bore

Options include Pilot bore, finished bore, taper bore, bearing hole, and special bore.

6. Treatment

Heat Treatment: Hardening and Tempering, High Frequency Quenching, Carburizing Quenching, among others.
Surface Treatment: Zinc Plating, Chrome Plating, Black Oxide Treatment, Spray Paint, Mirror Finish, Sand-blasting, etc.

Packaging & Shipping

Our packaging and shipping services ensure that your products arrive safely and on time. Custom packaging options are available upon request.

Additional Products

EVER-POWER GROUP provides an extensive array of high-quality industrial products. Our portfolio includes agricultural gearboxes, power output shafts, sprockets, fluid couplings, worm gear reducers, gears and racks, roller chains, pulleys, planetary gearboxes, timing pulleys, and bushings. We pride ourselves on offering competitive prices and excellent service. Customers are welcome to provide drawings and samples for customized orders.


  1. What standards do your sprockets adhere to?
    Our sprockets meet ANSI, DIN, and ISO standards.
  2. What bore types are available?
    We offer finished bore, processing bore, taper bore, and more.
  3. Can I customize the number of teeth on the sprockets?
    Yes, you can choose sprockets with a wide range of tooth counts to suit your needs.
  4. What materials are used in your sprockets?
    Our sprockets are made from materials such as Carbon Steel, Stainless Steel, Aluminum, and more.
  5. Do you offer custom packaging options?
    Yes, we provide custom packaging to ensure safe and timely delivery of your products.

All the content of the page is from the Internet, the content is only as a reference for product selection, our products are replacement parts and not original spare parts; we are not the holder of the original trademarks of the content, our products are only suitable for after-sales replacement parts and not original spare parts, our replacement parts can be perfectly adapted to the original spare parts; if you need to buy original spare parts, please contact the original factory to buy. If you want to buy original spare parts, please contact the original supplier for purchase.

Performance Characteristics of Bike Sprocket

Bike sprockets are essential components in the bicycle’s drivetrain. Their performance characteristics can significantly influence riding efficiency and experience. Below are some of the key characteristics:


Bike sprockets are designed to withstand the rigors of frequent use and harsh conditions. High-quality materials such as hardened steel and aluminum alloys ensure longevity.


Lightweight sprockets contribute to the overall reduction in bike weight, enhancing speed and maneuverability. This is especially crucial for competitive cycling.

Teeth Profile

The specific design of the teeth can affect gear engagement and shifting smoothness. Sprockets with well-engineered teeth profiles provide seamless transitions between gears.

Corrosion Resistance

Sprockets made with corrosion-resistant coatings or materials are less prone to rust and degradation, ensuring consistent performance over time.

Precision Engineering

High-precision engineering ensures that sprockets work harmoniously with the chain, minimizing wear and enhancing the bicycle’s overall efficiency.

Types and Characteristics of Bike Sprocket

Bike sprockets come in various types, each designed to meet specific needs. Understanding these types can help in selecting the right sprocket for your bike.

Single-speed Sprockets

These are used primarily in single-speed bikes and fixies. They are simple in design and highly durable due to fewer moving parts.

Cassette Sprockets

Found in multi-speed bikes, cassette sprockets offer a range of gears for different terrains. These sprockets are designed for quick and smooth shifting.

Freewheel Sprockets

Integrated with the bike’s hub, freewheel sprockets allow for coasting without pedaling. They are popular in BMX and utility bikes.

Materials and Their Advantages

Different materials are used to make bike sprockets, each offering unique advantages:

Hardened Steel

Known for its exceptional strength and durability, hardened steel sprockets are ideal for high-performance and heavy-duty bikes.

Aluminum Alloys

Lightweight and corrosion-resistant, aluminum alloy sprockets are preferred for racing bikes where weight reduction is critical.


Combining strength and lightness, titanium sprockets are premium options offering unparalleled performance and longevity.

Applications of Bike Sprocket

The bike sprocket plays a pivotal role in various fields, reflecting its versatility and importance.

Power Transmission

In the context of cycling, sprockets are fundamental to power transmission from the rider to the wheels, making efficient energy transfer possible.

Gear Systems

Multi-gear bicycles rely heavily on sprockets to offer a range of speeds and torque, enabling riders to tackle different terrains and conditions.

Mountain Biking

Robust and durable sprockets are essential for mountain biking, where they must endure rough and rugged trails.

Road Cycling

Lightweight and precision-engineered sprockets enhance performance in road cycling, where speed and efficiency are paramount.

Touring and Commuting

Reliable and low-maintenance sprockets are ideal for touring and commuting, ensuring a smooth and trouble-free ride.

Future Development Trends and Opportunities

The evolution of bike sprockets is driven by advancements in materials science and engineering technologies. Future trends may include:

Advanced Materials

The development of new composites and alloys promises to produce sprockets that are lighter, stronger, and more durable.

Precision Manufacturing

Enhanced manufacturing techniques like 3D printing and CNC machining will allow for more precise and customized sprocket designs.

Environmental Sustainability

The industry is moving towards eco-friendly materials and processes, reducing the environmental impact of sprocket production and usage.

Integrated Smart Technologies

Future sprockets may incorporate sensors and smart technologies to provide real-time data on performance and wear, aiding in maintenance and optimization.

How to Choose a Suitable Bike Sprocket

Selecting the right bike sprocket involves several considerations:

Clear Requirements

Identify your specific biking needs, whether it’s for racing, touring, or daily commuting, to choose the appropriate sprocket.

Material Selection

Based on your riding style and conditions, select a sprocket material that offers the best balance of durability, weight, and cost.

Design Optimization

Look for sprockets with optimized designs that enhance performance and compatibility with your bike’s drivetrain.

Suppliers and After-sales Service

Choose reputable suppliers who offer reliable after-sales support and warranties to ensure long-term satisfaction.


Consider the overall value, not just the price, to ensure you’re getting a sprocket that offers longevity and performance.

Quality Control

Ensure the sprocket meets stringent quality standards for consistent and reliable performance.


Bike sprockets are crucial components that influence the overall performance and functionality of a bicycle. By understanding their characteristics, types, applications, and future trends, cyclists can make informed decisions to enhance their riding experience. Selecting the right sprocket involves careful consideration of various factors to ensure optimal performance and value.

Author: Dream