China Professional 13 Tooth Motor Sprocket Pinion Gear 1/2″ X 1/8″ Bicycle Chain Motor Sprocket 11mm Bore with Key Pin Electric Bicycle Parts arb air compressor

China Professional 13 Tooth Motor Sprocket Pinion Gear 1/2″ X 1/8″ Bicycle Chain Motor Sprocket 11mm Bore with Key Pin Electric Bicycle Parts

China Professional 13 Tooth Motor Sprocket Pinion Gear for Electric Bicycles

Product Description

A taper bushing sprocket is an advanced type of sprocket distinguished by its nested tapered bushing, facilitating effortless installation and removal. This design ensures the chain remains in a stable position, augmenting transmission efficiency and wear resistance, providing unparalleled durability and performance.

Product Parameters

Product High Precision Taper Bushing Sprocket
Bore Pilot Bore, Taper Bore, Finished Bore, and Special Bore
Material Stainless Steel, Steel, Iron, Brass, Bronze, Aluminum, as per requirement
Surface Treatment Oxide Black, Galvanized, Nickel Plated, Chrome Plated, Sandblasting, Painted, etc.
Heat Treatment High Frequency Quenching and more
Processing CNC Machining, Punching, Turning, Milling, Drilling, Grinding, Broaching, Welding, and Assembly
Certificate ISO 9001, SGS
Products Available Gears, Sprockets, Timing Pulleys, V-Belt Pulleys, Couplings, Shafts, Expansion Sleeves, Taper Bushings
Package Brown Paper, Oiled Paper, Carton Box, Wooden Box, as per requirement
Advantage Quality First, Superior Service, Advanced Equipment, Experienced Workers, Perfect Testing Equipment
Lead Time Within 15 Days for Samples, 30-45 Days for Official Orders

Workshop & Equipment

Our facility is equipped with state-of-the-art machinery and tools to ensure the highest precision and quality in our products, from CNC gear grinding machines to high-speed CNC gear hobbing machines, CNC lathes, and various other advanced processing equipment.

Application Field

This motor sprocket is ideal for electric bicycles, providing enhanced efficiency and longevity for your bike’s transmission system.

Our Advantages

  • Prioritized Quality
  • Integrity-based Management
  • Service Orientation
  • 150+ Advanced Equipment
  • 10,000+ Square Meter Factory Area
  • 200+ Outstanding Employees
  • 90% of Employees with over 10 Years of Experience
  • 36 Technical Staff
  • ISO 9001 & SGS Certified
  • Customization Support
  • After-sales Support

Production Process

We follow stringent production processes from pre-production samples to final inspections before shipment, ensuring every product meets our rigorous quality standards.


Sample Orders Delivery Time:

  • 10-15 Working Days as Usual
  • 15-20 Working Days in Busy Season

Large Order Leading Time:

  • 30-40 Working Days as Usual

Company’s Other Product Businesses

EVER-POWER GROUP is a renowned supplier of a wide range of industrial products, including agricultural gearboxes, power output shafts, sprockets, fluid couplings, worm gear reducers, gears and racks, roller chains, pulleys, planetary gearboxes, timing pulleys, and bushings. We are committed to providing high-quality products at preferential prices, complemented by exceptional customer service. Customization of drawings and samples is warmly welcomed.


  1. What materials are available for the taper bushing sprocket?
    The sprocket is available in stainless steel, steel, iron, brass, bronze, aluminum, as per requirement.
  2. What surface treatments do you offer?
    We offer various surface treatments, including oxide black, galvanizing, nickel plating, chrome plating, sandblasting, and painting.
  3. What is the lead time for orders?
    The lead time is within 15 days for samples and 30-45 days for official orders.
  4. What certifications do your products have?
    Our products are certified by ISO 9001 and SGS.
  5. Do you support customization?
    Yes, we support customization of drawings and samples to meet specific requirements.

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