China manufacturer CD70 Auto Parts Conveyor Transmission Bicycle Gear Motorcycle Chain Pulley Wheel Sprocket air compressor portable

China Manufacturer CD70 Auto Parts Conveyor Transmission Bicycle Gear Motorcycle Chain Pulley Wheel Sprocket

CD70 Auto Parts: Conveyor Transmission Bicycle Gear Motorcycle Chain Pulley Wheel Sprocket

Product Description

Welcome to the ultimate Motorcycle Sprocket solution.

Our Advantages

  • Any inquiry you make will be answered professionally within 6~8 hours.
  • Emphasizes product quality and is approved by numerous global quality system certifications in countries like France, Norway, and Germany.
  • Focused on Chain production since 1999 with extensive experience.
  • High-quality workers, first-class advanced equipment, good quality control, and advanced technology.
  • Expert in Custom-Made Products, offering personalized services for customers.
  • Participated in drafting 24 national and industrial standards for chains.
  • Possesses a strong R&D team dedicated to providing high-quality chain systems for the global locomotive industry.

Why Choose Us?

  • Our factory has 36 years of experience, integrating production and trade.
  • Efficient team providing professional service and high-quality products.
  • Competitive prices bringing maximum benefits to our customers.
  • Advanced technology and equipment, scientific management, and strict quality control system.

Product Series

Drive Sprocket – Fine-Blanking Sprocket

  • The perfect tooth profile design ensures the chain and sprockets are in perfect engagement, facilitating stable driving, and low noise.
  • High-precision dimensions and minimal geometric tolerance guarantee sprocket installation accuracy and ease of installation.
  • The minimum pitch divergence ensures consistency between the chain and sprockets, preventing the chain from jumping.

Drive Sprocket – Zenming Chain Sprocket

  • Zenming Chain System leads the development of motorcycle drive technology, offering high-quality, cost-effective products and transmission solutions that exceed customer expectations.
  • Features explosive power, silent operation like a bamboo forest, fiery passion, and stability as a mountain.

Workshop Display

Our workshop is equipped with advanced manufacturing equipment such as high-speed punching machines, continuous mesh belt heat treatment furnaces, high-precision cutters, coordinate grinding machines, shot peening machines, high-speed tube cutting machines, automatic chain assembling lines, supersonic wave cleaning machines, and various inspection instruments, ensuring the stable and reliable quality of every chain.

Packing Details

We offer a variety of packaging options: advanced package, bulk package, waterproof bag, PE bag, premium cardboard box, regular cardboard carton, neutral box, wooden case, steel pallets, or customization according to customer requirements.

We are located near the HangZhou Port, which saves logistics costs and transportation time. We have our own logistics company and transportation department, capable of delivering goods to your warehouse or other ports in China, such as ZheJiang Port and ZheJiang Port.

Other Product Businesses by EVER-POWER GROUP

EVER-POWER GROUP supplies various industrial products including agricultural gearboxes, power output shafts, sprockets, fluid couplings, worm gear reducers, gears and racks, roller chains, pulleys and pulleys, planetary gearboxes, timing pulleys, and bushings. We offer high-quality products at preferential prices, along with considerate services. Customers are welcome to customize drawings and samples.


1. Are you a Manufacturer or a Trade Company?

We are a factory focused on producing and exporting Chains for over 36 years, supported by a professional international trade team.

2. What terms of payment do you usually use?

We generally use T/T terms with 30% in advance and 70% balance before shipment. We also show your products and packaging before shipping.

3. What is your lead time for your goods?

Normally, it takes 1~45 days depending on order quantity & specification. Stock items can be shipped immediately.

4. Do you attend any Shows?

Yes, we attend numerous world-famous exhibitions such as Hannover Messe, Bologna Fair, Canton Fair, AMTS, VIV ASIA, CIAME, Motor China, PTC Asia, and Frankfurt Auto Parts.

5. Do you offer free samples?

Yes, we offer free samples. You just need to bear the shipping cost.

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