In the old days, you needed a crank puller to get the crank off of your bike. This video demonstrates how to remove modern self-extracting cranks, that do not require a crank puller to remove, from a square tapered bracket. This is a fairly complicated piece of maintenance, so if you're new to biking you may want to leave this to the professionals.
Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:
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