Carbon Fiber Road Bike Rear Derailleur Pulley System 13T 17T for Shimano SRAM
$30.61
• Carbon Fiber Cage – Lightweight construction improves drivetrain efficiency.
• 13T and 17T Oversized Pulleys – Larger pulleys reduce chain friction and improve power transfer.
• Smooth Bearing System – Ensures stable and quiet rotation during riding.
• Road Bike Compatibility – Designed for Shimano and SRAM road derailleur systems.
• Performance Upgrade – Enhances shifting performance and drivetrain smoothness.
- Description
- Additional information
- Reviews (0)
Description

Product Overview
This Carbon Fiber Rear Derailleur Pulley System is designed for road bikes seeking improved drivetrain efficiency and smoother shifting. Featuring a lightweight carbon fiber cage and oversized 13T upper pulley and 17T lower pulley, the system helps reduce drivetrain friction and improve chain stability. It is compatible with many Shimano and SRAM road derailleur models and serves as an excellent performance upgrade or replacement component.



Technical Specifications
-
Product Type: Rear Derailleur Pulley System
-
Pulley Size: 13T upper / 17T lower
-
Material: Carbon Fiber Cage
-
Pulley Material: Alloy / Composite
-
Compatibility: Shimano and SRAM road derailleur systems
-
Application: Road bike drivetrain upgrade
-
Color: Black (varies depending on model)
Package Includes
-
1 × Carbon Fiber Rear Derailleur Cage
-
1 × 13T Upper Pulley Wheel
-
1 × 17T Lower Pulley Wheel
-
Mounting bolts and hardware
How to Install
-
Shift the chain to the smallest rear cog.
-
Remove the rear derailleur cage bolt carefully.
-
Take off the original pulley cage assembly.
-
Install the new carbon pulley system.
-
Secure the bolts with the correct torque.
-
Adjust derailleur tension and indexing.
Keep Your Bike Running Smoothly
Regular drivetrain maintenance helps ensure optimal performance. Clean the pulley wheels periodically and inspect bearings and bolts for wear. Proper lubrication and alignment will keep your drivetrain running quietly and efficiently.
Additional information
| Weight | 0.1 kg |
|---|---|
| Dimensions | 15 × 6 × 3 cm |
| Color | 5800, 6800, 7000, 8000, RED/RIVAL/FORCE, SRAM E-TAP |
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- Description
- Reviews (0)
Description

Product Overview
This Carbon Fiber Rear Derailleur Pulley System is designed for road bikes seeking improved drivetrain efficiency and smoother shifting. Featuring a lightweight carbon fiber cage and oversized 13T upper pulley and 17T lower pulley, the system helps reduce drivetrain friction and improve chain stability. It is compatible with many Shimano and SRAM road derailleur models and serves as an excellent performance upgrade or replacement component.



Technical Specifications
-
Product Type: Rear Derailleur Pulley System
-
Pulley Size: 13T upper / 17T lower
-
Material: Carbon Fiber Cage
-
Pulley Material: Alloy / Composite
-
Compatibility: Shimano and SRAM road derailleur systems
-
Application: Road bike drivetrain upgrade
-
Color: Black (varies depending on model)
Package Includes
-
1 × Carbon Fiber Rear Derailleur Cage
-
1 × 13T Upper Pulley Wheel
-
1 × 17T Lower Pulley Wheel
-
Mounting bolts and hardware
How to Install
-
Shift the chain to the smallest rear cog.
-
Remove the rear derailleur cage bolt carefully.
-
Take off the original pulley cage assembly.
-
Install the new carbon pulley system.
-
Secure the bolts with the correct torque.
-
Adjust derailleur tension and indexing.
Keep Your Bike Running Smoothly
Regular drivetrain maintenance helps ensure optimal performance. Clean the pulley wheels periodically and inspect bearings and bolts for wear. Proper lubrication and alignment will keep your drivetrain running quietly and efficiently.
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