Skip to main content
Crank - Crank Arm Loose (Cowboy Classic/Cruiser/Cruiser ST)

How to solve the issue: Crank - Crank Arm Loose (Cowboy Classic/Cruiser/Cruiser ST)

Laura from Cowboy avatar
Written by Laura from Cowboy
Updated over 8 months ago

How do i know i have this issue?

Your crank arm will be coming loose, typically on the non-drive side. It will typically get wobbly, then it can also fall off in extreme cases.

What causes this issue?

Over time, the crank arm may come loose. In some cases, this can also be caused by incorrect assembly.

Is this issue covered by warranty?

Where to fix your bike

This issue is not specific to Cowboy bikes, so any bike shop will be able to do this for you. Once you have confirmed your issue with us via your Cowboy app, we will ship you the parts and you can visit your local bike shop with the instructions below.

  • Local Bike shop: We recommend visiting your local favourite bike shop to easily and quickly fix this issue. Just ask them to check your brake calipers, pads and discs and show them the instructions below.

  • Cowboy Certified Bike Shop: If you are near a Cowboy Certified Bike Shop, you can also drop in there. Check our map here

  • Self repair: If you are handy, you can check the videos below and try it out yourself.

Spare Parts Required

These are available on our accessory page or via our Cowboy support team, reach out to us via the app)

  • Crank arms

  • Spindle bolt

Tools Required

Repair Instructions

(You can share these instructions with your local bike shop)

  • Step 1: If it's the first time, tighten the crank arm to 45Nm.

  • Step 2: Replace the crank using this tutorial

Did this answer your question?