Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Whether you’ve got a ...

The Gyrowheel is a new spin on the old training wheels that help kids learn to ride a bike. Manufactured by Gyrobike, the Gyrowheel replaces the stock bicycle front wheel and features an internal ...

Truing is the act of adjusting the tension of a wheel’s spokes to make it perfectly straight and round. Truing is a normal part of any wheel’s life. Wheels are subject to extreme forces, from ...