The external bearing crank is just one of the complicated, necessary parts of a modern mountain bike. This video demonstrates the overhauling and installation of a Truvativ GXP integrated spindle external bearing crank. Without this video or a mountain of bicycle maintenance experience, this would probably be way beyond the skills of most bikers, but now you can install this exciting part on your bike yourself and reap the benefits.
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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