When you were first learning how to ride a bike as a kid, the bike you were learning on probably didn't have any special bells or whistles on it, aside from perhaps a literal bell on the handlebars.

The majority of bikes use a derailleur gear system. This comprises a series of sprockets with a range of sizes attached to the rear hub, which form a cluster called a cassette. In modern systems ...

All the best new ideas and technologies for riding start with the pros and work their way down to serious area riders and ...

Simply find out how many gears, or “speeds,” your bike has (count the number of gears on the rear cassette and multiply it by the number of chainrings at the front), and pick the corresponding ...

Your bicycle’s gear ratios help control the effort needed to pedal and the speed you can achieve. The gear ratio is determined by the size of the front chainring compared to the rear cassette cog.

A bike's lowest gear, also known as easy gear, is when the chainwheel is connected to a cog in the cassette that's approximately the same size. When the components have a ratio of 1:1, a single ...