# Installing Adjustable Crank Arms on Your Zwift Ride

> Check out the below steps to install adjustable crank arms on your Zwift Ride...

Source: https://support.zwift.com/en_us/installing-adjustable-crank-arms-on-your-zwift-ride-SyLNv6a6kg

Last updated: 2025-04-15T20:32:04.849Z

# Installing Adjustable Crank Arms on Your Zwift Ride

Check out the below steps to install adjustable crank arms on your Zwift Ride.

## Difficulty Rating

[![Difficulty Rating 3/3](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Difficulty Level 3 - Link.png "Pushing the Limits - 3/3")](https://support.zwift.com/en_us/troubleshooting-difficulty-rating-rygrkYkhyl "Pushing the Limits 3/3")

## Required Tools/Equipment

*   Small (1.5mm) flathead screwdriver or pick/hook.
*   8mm hex key.
*   Crank puller.
*   Wrench to fit crank puller.
*   Torque wrench (optional).

## Removing the Crank Arm

Follow these steps to remove the crank arms, starting with the right.

1.  If you'll be using the same pedals, [remove the pedals](https://support.zwift.com/installing-new-pedals-on-your-zwift-ride-ryCRZGUC) from the crank arms.
    
2.  Insert the screwdriver into the gap between the crank arm cap and the crank arm and gently pry the crank arm cap away from the crank arm to fully remove it.
    
    ![Crank Arm Cap](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Crank Arm Cap.png "Crank Arm Cap")
    
3.  While holding the crank arm still, insert the hex key into the crank bolt and turn it counterclockwise to remove the bolt.
    
    ![Loosen Crank Bolt](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Loosen Crank Bolt.png "Loosen Crank Bolt")
    
4.  Screw the crank puller on to the crank and hand tighten.
    
    Ensure crank puller threads are fully engaged.
    
    ![Insert Crank Puller](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Insert Crank Puller.png "Insert Crank Puller")
    
5.  While holding the crank arm still, hand tighten the center bolt on the crank puller.
    
6.  While holding the crank arm still, use the wrench to turn the center bolt further until the crank is removed.
    
    ![Tighten Crank Puller](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Tighten Crank Puller.png "Tighten Crank Puller")
    
7.  Repeat these steps for the left crank arm.
    

## Installing the Adjustable Crank Arm

Follow these steps to install the adjustable crank arms, starting with the right.

1.  Remove the right-hand crank arm from the box.
    
    The right-hand crank arm is identified with an "R" on the back and is the top crank in the box.
    
2.  Place the right-hand crank onto the bottom bracket axle.
    
    ![Install Adjustable Crank](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Install Right Adjustable Crank.png "Install Adjustable Crank")
    
3.  Insert the provided crank bolt through the right crank, and while holding the crank arm still, tighten it with the hex key.
    
    If you have a torque wrench, tighten the crank bolt to 45Nm.
    
    ![Tighten Bolt](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Tighten Adjustable Crank Bolt.png "Tighten Bolt")
    
4.  Lining up the largest tab, install either the original or the new crank arm cap into position over the crank bolt.
    
    ![Insert Tab](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Install Adjustable Crank Tab.png "Insert Tab")
    
5.  Repeat these steps for the left crank arm, ensuring the two crank arms are horizontally aligned.
    
    ![Correct Alignment](https://zwiftdmz-marcom-us-east.s3.us-east-1.amazonaws.com/support/EN/Hardware/Resources/Images/Adjustable Crank Arm Positions.png "Correct Alignment")
    
6.  [Install your pedals](https://support.zwift.com/installing-new-pedals-on-your-zwift-ride-ryCRZGUC) in your preferred location.
    

Ride On.

\-The Team at Zwift