Bicycle Rear Derailleur
A bicycle rear derailleur shifts gears by moving the chain between different sprockets on the rear cassette. It consists of a parallelogram linkage, two pulleys, and a cable attachment mechanism.



Technical Specifications
Product Overview
High-Performance Gear Shifting
This bicycle rear derailleur is a crucial component designed for precision gear shifting within a bicycle's drivetrain. It utilizes a parallelogram linkage to move the chain smoothly between sprockets, ensuring efficient power transfer and a reliable ride. The integrated tension and guide pulleys work together to maintain optimal chain tension and alignment across various gear ratios.
Technical Design
Pulley Components
- Guide pulley for precise chain direction
- Tension pulley for chain slack management
- Actuation Mechanism
- Parallelogram linkage with cable attachment
- Core Features
- Lateral MovementChain TensioningSprocket AlignmentCable Actuated
Functional Specifications
System Compatibility
- Primary Function
- Shifting gears by moving the chain between rear cassette sprockets



