There is a new look in bicycles for boys and girls: shoulder-high "monkey bars," which, if they do anything, slow the rider down by making him sit bolt upright, thereby increasing wind resistance; smaller, 20-inch wheels, which are supposed to make for easier pedaling; elongated "banana seats," which may or may not provide passengers a more comfortable perch than the handlebars. But this spring there is a new gadget that may save a kid's life too.
Called Pedalite, it is simply a bicycle pedal with a light inside, powered by flashlight batteries. It shines white to the front, red...