BIKE PART COPYRIGHT NO FURTHER A MYSTERY

The drivetrain is the heart of your bike, responsible for transferring your pedaling power to your wheels and propelling you forward. It is made up of many factors, such as chainrings, cogs, crank arms, and derailleurs. Chainrings tend to be the gears hooked up to the correct-hand crank arm near the front in the bike, although cogs make up the equi