Installing Specialized Expedition Crank Arms

User-Contributed Guide

User-Contributed Guide

An awesome member of our community made this guide. It is not managed by iFixit staff.

A guide on removing the crank arms.

In this guide you will remove the crank arms and replace them with new ones.

Tools
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Add Note Edit Step 1 — Crank Arms  ¶ 

  • Take cap off the crank arm with flat head screw driver. It should just pop off.

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Add Note Edit Step 2  ¶ 

  • Use a socket wrench to take out the main bolt.

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Add Note Edit Step 3  ¶ 

  • Attach the crank puller to the threads on the crank arm, hand tighten it in until it bottoms out.

  • Be careful not to strip the aluminum threading of the crank arm with the steel threading of the crank puller. Don't force anything.

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Add Note Edit Step 4  ¶ 

  • Use wrench to tighten the free end of the crank arm, pulling the crank arm off the bike.

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Add Note Edit Step 5  ¶ 

  • Clean the bottom bracket axle, crank arm, and sprockets with a rag.

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Add Note Edit Step 6  ¶ 

  • Slide the new crank arm on the the tapered square of the bottom bracket axle.

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Add Note Edit Step 7  ¶ 

  • Use a socket wrench to tighten the main bolt.

  • It's easy to cross thread the aluminum crank arm with the steel crank puller. Be very careful to thread properly.

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Add Note Edit Step 8  ¶ 

  • Replace the cap.

For more information, check out the Specialized Expedition device page.

Required Tools

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