What is a Cog? A cog generally refers to the rear sprocket of your bike. Perhaps to some people the word “Cog” is meant to refer to a single tooth on the rear sprocket, or also known as the Cog wheel. But over time that has simply become known as the Cog. Well, anyways, what is the point of a cog and how does it differ from other cogs. The answer is simple, the number of teeth on the cog make all the difference. The number of teeth can determine what kind of riding you will do, and how your pedaling will affect your speed. If you are riding a cog with fewer teeth, it will take a little more force on the pedals, but you will be moving way faster…conversly, the more teeth you have on the cog, the easier your pedal will be, you will be pedaling at a much faster cadence…and thats not necessarily a good thing on a fixed gear bike. Think about it, would you rather have smooth, slower pedals going down a hill or fast ones that make it hard to ride? Theres always a solution though, if you have a flip-flop hub, you can always put different cogs on each side and then switch sides whenever you want to change your riding style. There are dangers in both styles though: Prolonged exertion of too much force in too high a gear at too low a cadence can increase the chance of knee damage, whereas extremely great cadence and little force maintained at too a low gear also is not advised. Check out some of these bicycle cogs for sale listed through auctions on eBay below:
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