As a rider, it's very important to let those behind you know when you're stopping. And as a driver, it's important to know when a rider ahead of you is giving you this hand signal. While it's ...

Among the most commonly used hand signals by riders is for stopping or doing turns, one of which is when they raise their left arm to a 90-degree angle with the hand forming a fist, which means ...

The hand signal, now viral on Instagram, involves tucking your fingers over your thumb to reportedly alert someone you need help.