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About Bike Crank

Table of Contents
  1. Introduction
  2. One half of the chain seems very tight, the other half seems very loose?
  3. My crank arm keeps falling off my bike.

Q. My crank arm keeps falling off my bike. I believe I have threaded it. What fixes can I sort for this problem. Does it involve a new crank set?
A. It may be possible to retap the thread, but more than likely a new crank arm at least, possible a whole crankset.

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