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1answer
58 views

What kind of crank extractor do I need

I'm trying to swap the cranks on our Thorn tandem and would like to know what kind of crank extractor (if any) I need for the job. Is there a way to tell from this photo, before I've taken it all ...
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2answers
526 views

How does a crankset removal tool work?

I don't have one to examine. How exactly does a crankset removal work? one such as this.