Differences in the track, tire sizes, class rules, and other factors can cause you to rethink your selection of gears, possibly from week to week and even from the beginning to the end of an event (in ...

The axle connects two or more of a vehicle's wheels to the same axis, whether on the front or back, and depending on how it's configured, the performance of your ride can vary greatly. Furthermore, ...

Few vehicle modifications have as major an impact as changing gear ratios, and it's because your car's gear ratio directly translates to how it delivers power. Think about it: The gear ratio, or how ...

The off-road world thrives on rugged capability and raw power, and for years, side-by-side vehicles have relied on the trusty continuously variable transmission (CVT) to tackle everything from muddy ...

Knowing what bike gear ratios mean is vital knowledge for any progressing cyclist or triathlete. Once you understand the interaction between your chainrings and cassette you’ll select the right gear ...