Nothing compares to the exhilarating feeling of being a kid on a bike. Using your own pedal power to move through the world is freeing, empowering, and just plain fun. And accessorizing with the right gear can make bike rides safer, smoother, and snazzier.Whether your kid is tearing up local trails or cruising the neighborhood in a sparkly tutu, we found a variety of great extras that can upgrade their bike game. Some items serve practical purposes, while others help kids express personal style. (A well-fitting bike helmet is the most important accessory, of course.