Bearings are often-overlooked components that bring life to your bicycle. You can’t steer, roll, pedal or have a functioning drivetrain without bearings. Basically, anything that moves on your bike ...

Where there are moving parts, you’ll often find bearings. The goal of a bearing, in short, is to affect the system as minimally as possible—absorb minimal energy, wear slowly, and cost as little as ...

Editor's note: An updated version of this information can be found here. Bearings are used to help reduce friction. Metal-upon-metal contact produces large amounts of friction. The friction adds to ...