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Home » Peloton » How to Replace a Peloton Bike Crank Arm?

How to Replace a Peloton Bike Crank Arm?

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peloton crank arm replacement

The Peloton bike crank arm is probably the weakest part of a Peloton, so it is not surprising that you may find it damaged. Some will bend during the transition, others are broken, yet others get damaged from the impact of a wrongly placed pedal.

Regardless of the situation, it is evident that the crank arm needs replacement if it is not working. In most cases, Peloton will send support staff or even an XPO delivery company to deliver the replacement service. However, the service may take a long time, and if it is possible for you to take the reins, then why not?

But first;

What is a Peloton Bike Crank Arm?

A bike crank arm refers to the offset part of the bike that supports and attaches the pedals to the crankshaft. If it malfunctions, the pedals will fail as well, or they could come off the bike, which is risky.

So, How to Replace a Peloton Arm Crank?

You will need the following tools to remove and replace a Peloton crank arm successfully;

  • A crank puller – View On Amazon
  • 5mm Allen key
  • Phillips head screwdriver
  • Spanner

How to Remove a Peloton Arm Crank

  1. Turn the resistance knob all the way to the right, which will keep the pedals from moving during the process.
  2. Using a Phillips screw head driver, remove the belt screws around the belt. This will loosen the belt cover so you can remove it from the bike with ease.
  3. Next, use the 8mm Allen key to rotate the hex bolt connecting the crank arm to the shaft to the left to loosen it. Then, remove the hex bolt and keep it safe because you will need it during replacement.
  4. Finally, you can use the crank puller. First, loosen the bolts at the silver head of the crank puller. Then, put the silver piece at the top of the crank arm where you removed the hex bolt. Tighten the loosed crank puller bolts onto the crank arm to the right until they feel tight and can’t turn anymore. Next, turn the black arm of the crank puller to the right as you apply some force on the crank arm. This will pull the crank arm out. So, unscrew the crank puller from the crank arm and place them separately.
  5. After that, use a spanner to remove the pedal from the crank arm if the pedal is still functional. 
  6. Then, using a 5mm Allen key, loosen all the screws attaching the crank arm to its bracket. This will help you to easily remove the screws and hence remove the crank arm from its bracket.

Replacing the Peloton bike right crank arm

Peloton left crank arm change

How to Replace a Peloton Bike Crank Arm

At this point, the bike is ready for a new crank arm. So;

  1. Firstly, take the new crank arm and place it on the crank arm bracket.
  2. Secondly, take the 5 mm nuts and bolts and fix them onto the crank arm- crank arm bracket combo. You can also pull the nuts from the backside, which will provide optimal tension. Then, tighten them using the 5 mm Allen key to secure them.
  3. Thirdly, line up the new crank arm and sprocket, and place it on the left crank arm position on the bike where the original crank arm lay. Tighten it by rotating the hanging piece to the right.
  4. Fourth, put back the hex bolt and tighten it with the Phillips head screwdriver.
  5. Next, loosen the resistance knob to allow the belt to move. Then, loop the belt at the top of the sprocket.
  6.  Start turning the pedal backwards slowly until the belt covers the sprocket optimally.
  7. Reattach the pedal to the crank arm and turn it to the right to tighten it.
  8. Lastly, reattach the belt guard and screw in all the bolts around the belt area.

Will Peloton Replace My Crank Arm for Free?

Yes, they will, as long as your warranty is still in place. They will send you a new crank arm, on top of free service, to replace the crank arm and ensure that it is working.

Is It Possible to Replace the Bike Crank Arm on My Own?

Yes, it is. If you are a DIY person, you only need a guide on replacing the crank arm. Actually, Peloton will offer support to ensure you can replace the crank arm if you ask, which means that it is allowed.

In a Nutshell;

How to replace a Peloton arm crank? Since the crank arm is not a delicate part of the bike, you can replace it on your own. All you need is a crank arm puller as an extra tool for the process.

With this simplified process, you should find replacing the Peloton crank arm easy and manageable.

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Written by

Luky k.

Hi, I’m Luky K.! Since 2016, I have been working on my fitness. I am obsessed with my Peloton bike and Tread! These always have been helping me. I’m constantly attempting to stay fit through various forms of physical activities and ‍focus on the Nutritious diet. It hasn’t always been the easiest, and it’s taken a lot of dedication and learning what my body needs. During my first year, I had to deal with a lot of problems. Since then, I’ve learned a lot and also learning now. I love sharing my Peloton tips, fitness tips, fitness accessories guide, and healthy recipes.