Jackson, left, and Owen Pezalla, both 4, appear on balance bicycles in Seattle on July 1, 2017. Experts recommend starting with those so-called balance bikes at a younger-than-expected age, possibly even less than a year old. Credit: Annie Pezalla via AP When Michael Natividad learned to ride a bike at 7 or 8 years old, he knew his training wheels were ready to come off when he leaned on them while zipping around corners. His daughter, on the other hand, was barely 3 when she sped away from him on Read More