Fix a Bike Pedal That Fell Off

How to Fix a Bike Pedal That Fell Off?

If you are an avid cyclist, you might have experienced the frustration of having your bike pedal fall off while riding. This can be a dangerous situation, and it is important to address it promptly to avoid any accidents. In this article, we will go over the steps you can take to fix a bike pedal that fell off and get back on the road safely.


Bike pedals are one of the essential components of a bike, and if they fall off while riding, it can cause severe injuries. It’s crucial to learn how to fix them to avoid accidents and ensure a safe ride.

Reasons for Pedal Falling Off

Several factors can cause a bike pedal to fall off while riding. One of the most common reasons is loose threads. Over time, the pedal spindle and the threads of the crank arm can become worn or stripped, causing the pedal to loosen and eventually fall off. Another reason could be damage to the pedal, such as cracks or bends, which can make it challenging to keep the pedal attached securely.

pedal fell off bike

Tools Needed to Fix a Bike Pedal That Fell Off

To fix a bike pedal, you will need a few tools, including:

  • A wrench (usually 15mm or 9/16-inch)
  • A pedal wrench (thin, 15mm open-end wrench)
  • Grease
  • A clean rag
  • A degreaser (optional)
  • A pedal thread repair kit (if the threads are damaged)

How to Fix a Bike Pedal That Fell Off

If the pedal fell off due to loose threads, follow these steps to Fix a Bike Pedal That Fell Off:

how to fix loose bike pedal

Step 1: Remove the Pedal

Use a pedal wrench to remove the other pedal from the bike. Then, turn the bike over and use a wrench to loosen the remaining pedal that fell off.

Step 2: Inspect the Threads and Pedal Spindle

Check the threads of the pedal spindle and the crank arm for damage or wear. If you notice any cracks, dents, or stripped threads, you may need to replace the pedal or use a pedal thread repair kit.

Step 3: Clean the Threads

Use a clean rag and a degreaser (if necessary) to clean the threads of the pedal spindle and crank arm. Make sure that they are free of dirt, grease, and debris.

fix bike pedal

Step 4: Grease the Threads

Apply a small amount of grease to the threads of the pedal spindle and crank arm. This will help to prevent the pedal from loosening again.

Step 5: Reattach the Pedal

Screw the pedal back onto the crank arm by turning it clockwise. Use a pedal wrench to tighten the pedal securely, but don’t overtighten it, as this can cause damage to the threads.

How to Fix a Damaged Pedal

If the pedal is damaged, such as having cracks or bends, it may need to be replaced. You can purchase a replacement pedal at a bike shop or online. Follow the steps above to remove the damaged pedal and install the new one.


Fixing a bike pedal that fell off may seem intimidating at first, but with the right tools and steps, it can be a simple process. It is important to always check your bike before riding to ensure that all components are secure and functioning correctly. If you are unsure about fixing your bike pedal, it is always best to seek professional help to avoid any accidents.

Remember to inspect your bike pedals regularly and maintain them to ensure their longevity and your safety. Following the steps outlined in this article should help you get back on the road in no time. Happy riding!


  1. Can I still ride my bike if one pedal falls off?
  • No, it is not safe to ride with only one pedal as it can cause an imbalance and increase the risk of accidents.
  1. How do I know if my pedal is damaged?
  • Look for cracks, bends, or any signs of wear and tear on the pedal. If in doubt, take it to a bike shop for a professional opinion.
  1. Can I use any type of grease to lubricate the pedal threads?
  • It is recommended to use a specific bike grease that is suitable for pedal threads.
  1. How often should I inspect my bike pedals?
  • It is recommended to check your bike pedals every few weeks or after any significant impact or accident.
  1. Should I use a torque wrench to tighten the pedal?
  • While not necessary, a torque wrench can help ensure that the pedal is tightened to the correct level without over-tightening it.

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