The cog sets are the iconic pieces of the bike on the wheels with all their delicate layers of gears. This video features detailed instructions from a professional bike mechanic on how to install or remove a cog set on a mountain bike. This is useful if you want to clean your cog set or have purchased a new one that you would like to install.
Just updated your iPhone? You'll find new emoji, enhanced security, podcast transcripts, Apple Cash virtual numbers, and other useful features. There are even new additions hidden within Safari. Find out what's new and changed on your iPhone with the iOS 17.4 update.
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