In practice, the left turn hand signal is performed by the ... but in situations where a bike's tail lights or signals are malfunctioning motorcycle hand signals are essential.

The hand signal for making a right turn calls for the left hand and arm ... If a group leader pulls alongside you, points to your bike and swings their arm forward, you should follow them or ...

Traveling by bicycle can be a ... but is programmed to turn red when the accelerometer in the dev board detects braking. There are also integrated turn signals which operate similarly to ...

Left and right turn signals can be switched with buttons on the handlebars. Follow Tech Insider: On Facebook More from Tech The Lumos bike helmet is a bike helmet that wants to save your life.