Shimano 105 R7000 Rear Derailleur Cable Routing


As a cyclist, you understand the importance of a properly functioning bicycle. One critical component that directly impacts the performance of your bike is the rear derailleur. In this article, we will explore the cable routing of the Shimano 105 R7000 rear derailleur, discussing its significance, installation process, and potential issues you may encounter. So, strap on your helmet and let’s dive into the world of cable routing!

Overview of the Shimano 105 R7000 Rear Derailleur

The Shimano 105 R7000 rear derailleur is a reliable and popular choice among cyclists. Designed to provide smooth and precise gear shifting, it offers exceptional performance and durability. With features like improved shifting accuracy and increased stability, this derailleur enhances your overall cycling experience.

Shimano 105 R7000 Rear Derailleur Cable Routing

Understanding the Rear Derailleur

Before we delve into the specifics of cable routing, let’s understand the role of the rear derailleur in shifting gears. The rear derailleur is responsible for moving the chain across the cassette, allowing you to switch between different gear ratios. It consists of various components, including the derailleur body, jockey wheels, and the cable assembly.

Proper cable routing is crucial for the rear derailleur to function optimally. It ensures smooth and reliable gear changes, preventing issues like shifting delays, misalignment, or cable friction.

Cable Routing Basics

Cable routing refers to the path the derailleur cable follows from the shifter to the rear derailleur. There are different types of cable routing systems, such as external and internal routing. In recent years, internal cable routing has gained popularity due to its clean and streamlined appearance. The Shimano 105 R7000 rear derailleur is compatible with both internal and external cable routing setups, providing flexibility for various frame designs.

Shimano 105 R7000 Rear Derailleur Cable Routing

The Shimano 105 R7000 rear derailleur features a specific cable routing design. The cable enters the derailleur body from the shifter and passes through the frame’s internal routing channels. This routing ensures a neat and uncluttered look while also minimizing cable interference with other components. However, it’s essential to check your frame’s compatibility with internal cable routing before installing the rear derailleur.

Installing the Rear Derailleur Cable

Installing the rear derailleur cable requires attention to detail and following a systematic approach. Here’s a step-by-step guide to help you through the process:

1. Begin by loosening the cable anchor bolt on the rear derailleur.
2. Align the cable with the cable entry point on the derailleur and insert it carefully.
3. Pull the cable taut while tightening the anchor bolt, ensuring proper tension.
4. Check for smooth movement of the derailleur and test the shifting performance.

It’s advisable to use the appropriate tools, such as cable cutters and a 5mm Allen key, for a hassle-free installation. If you’re unsure about the process, seeking assistance from a professional bike mechanic is a wise choice.

Troubleshooting Cable Routing Issues

Despite your best efforts during installation, you may encounter some cable routing issues. Common problems include cable tension discrepancies, friction in the cable housing, or misalignment. Here are some tips to help you troubleshoot these issues:

– If you experience poor shifting or sluggish gear changes, check the cable tension. Adjust it by turning the barrel adjuster until the shifting becomes smooth.
– Friction within the cable housing can cause resistance and affect shifting performance. Regular cleaning and lubrication of the cable can minimize this issue.
– Ensure the cable housing is properly seated in the frame’s cable stops or internal routing ports. Misaligned housing can lead to poor shifting.

Regular maintenance and care are essential to keep your cable routing system in top condition. Clean and lubricate the cables periodically, check for wear and tear, and replace them when necessary.

Upgrading or Replacing the Rear Derailleur

If you’re considering upgrading or replacing your rear derailleur, there are a few factors to keep in mind. Compatibility with your bike’s groupset is crucial, as different groupsets may have specific requirements. The Shimano 105 R7000 rear derailleur is designed to work seamlessly with the Shimano 105 groupset but may be compatible with other groupsets as well. Consult with a bike expert or refer to the manufacturer’s guidelines for proper compatibility.

While some cyclists prefer a DIY approach, it’s important to note that installing a rear derailleur can be a complex task. Seeking professional assistance ensures proper installation and avoids any potential damage to your bike.

Tips for Smooth Gear Shifting

To enhance your gear shifting experience, here are a few tips:

– Practice proper shifting techniques, such as shifting one gear at a time and avoiding cross-chaining.
– Regularly check and adjust cable tension for precise shifting.
– Listen to your bike! Pay attention to any unusual noises or delays in shifting, as they might indicate cable routing issues that need attention.

By following these tips, you can ensure smooth gear changes and prolong the lifespan of your rear derailleur and cable routing system.


The Shimano 105 R7000 rear derailleur’s cable routing plays a vital role in your cycling performance. Understanding the basics of cable routing, installing the rear derailleur correctly, and troubleshooting any issues are crucial steps in maintaining a well-functioning bike. By taking proper care of your cable routing system and following recommended maintenance practices, you can enjoy seamless gear shifting and enhance your overall riding experience.

Shimano 105 R7000 Rear Derailleur Cable Routing


1. What is the difference between internal and external cable routing?
Internal cable routing involves routing the cables through the bike frame, resulting in a cleaner and more aerodynamic appearance. External cable routing, on the other hand, positions the cables outside the frame. Both have their advantages and disadvantages, and the choice often depends on personal preference and frame compatibility.

2. Can I use the Shimano 105 R7000 rear derailleur with other groupsets?
The Shimano 105 R7000 rear derailleur is designed to work seamlessly with the Shimano 105 groupset. However, it may also be compatible with other Shimano groupsets within the same series. Always refer to the manufacturer’s guidelines for proper compatibility.

3. How often should I replace my derailleur cables?
The frequency of cable replacement depends on various factors such as riding conditions, maintenance practices, and cable wear. Regularly inspect your cables for signs of fraying, corrosion, or reduced shifting performance. If you notice any significant issues, it’s advisable to replace the cables promptly.

4. Are there any specific tools required for cable routing?
For cable routing and derailleur installation, you may need tools such as cable cutters, a 5mm Allen key, and a cable lubricant. These tools help ensure a smooth and efficient installation process.

5. Can I convert an external cable routing system to internal routing?
Converting an external cable routing system to internal routing can be challenging, as it requires modifying the frame and creating new internal routing channels. It’s best to consult a professional bike mechanic to assess the feasibility and safety of such a conversion.

Remember, maintaining a well-functioning cable routing system is essential for optimal gear shifting performance. By understanding the intricacies of cable routing and following proper installation and maintenance practices, you can enjoy a smoother and more enjoyable cycling experience.

  1. Shimano Techdocs: This link directs you to the official Shimano Techdocs page, where you can find the detailed technical documentation for the Shimano 105 R7000 rear derailleur. It provides comprehensive information about installation, adjustment, and maintenance procedures.
  2. Park Tool: Rear Derailleur Installation: Park Tool is a reputable source for bike repair and maintenance. This article specifically focuses on rear derailleur installation, offering step-by-step instructions, tips, and visuals to guide you through the process. It complements the information provided in this article.

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Video Credits – Free To Cycle


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