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How To Reattach Rear Derailleur

If your bicycle's rear derailleur has become detached, it can be quite a frustrating and intimidating experience. After all, understanding how the derailleur works and getting it back in place can be a challenge, especially if you're unfamiliar with bike mechanics. However, with a few simple steps, you can reattach your rear derailleur and get back on the road or trail in no time.

The rear derailleur is an important part of your bike's drivetrain. It is responsible for keeping your chain tensioned and directing it to the appropriate gear, allowing you to shift between gears. When your rear derailleur becomes detached, it can cause your chain to come loose and cause difficulty in shifting. Fortunately, reattaching the derailleur is relatively simple and can be done with a few basic tools.

To reattach your rear derailleur, you will need the following:

  • A screwdriver
  • A hex wrench or an adjustable wrench
  • A pair of pliers
  • A rag

Once you have gathered the necessary tools, you can begin reattaching your rear derailleur. The first step is to locate the mounting bolt, which is usually located near the top of the derailleur. Using the screwdriver, loosen the mounting bolt and remove it. Next, carefully remove the derailleur from the frame, taking care to not damage the frame or derailleur.

Once the derailleur is removed, inspect it for any signs of damage or wear. If any damage is present, it may need to be replaced before it can be reattached. If no damage is present, use the rag to clean away any dirt or debris from the derailleur and frame.

The next step is to attach the derailleur to the frame. To do this, place the derailleur in the appropriate position and use the hex wrench or adjustable wrench to tighten the mounting bolt. Make sure the derailleur is securely attached and then use the pliers to secure the cable to the derailleur.

Finally, you will need to adjust the derailleur to ensure it is properly aligned and functioning correctly. To do this, turn the barrel adjuster, which is located near the derailleur, counterclockwise. This will cause the derailleur to move outward, allowing the chain to move freely between the gears. Once the derailleur is properly adjusted, you can test it by shifting the gears to make sure they are functioning correctly.

Reattaching your rear derailleur may seem like a daunting task, but with the right tools and a bit of patience, it can be done relatively quickly. With a few simple steps, you can get your bike back in working order and back on the road or trail.

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Unscrew the derailleur from the derailleur hanger by inserting a hex wrench and turning counter-clockwise. The derailleur will now come away from the.

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Apply pressure to both the derailleur and wrench to get the hanger close to straight. It won't be perfect, so adjust the high- and low-stop screws to compensate. 3..

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How To Reattach Rear Derailleur.