Over the years, the number of gears on bicycles has increased. When multi-gear drivetrains were introduced, they had 2-3 gears. Modern bikes have 8-12 rear cogs. Two different systems are used to attach the rear cogs to the rear hub of a bicycle: the cassette and the freewheel. This guide outlines the differences and lists … The post Cassette Vs Freewheel: Differences, Pros and Cons, and How to Choose appeared first on Where The Road Forks.