TEACHING AND LEARNING TO RIDE IS A BREEZE WITH THE 2019 TREK PRECALIBER 16 KIDS' BIKE.We all know kids grow up fast, and the adjustable Dialed Fit system of the Trek Precaliber 16 allows this bike to grow with them - it's equipped with parts that are easy to adjust as they grow. When they eventually get too big for the adjustments, this bike is hand-me-down heaven- it's built to last, so younger siblings can inherit this bike and it'll still feel like new. This kid-friendly bike has a handle built right into the saddle so you can help guide your child while they ride, plus tool-less training wheels that can be installed and removed at the turn of a dial. FEATURESKid-friendly bikeHandle built right into the saddle so you can help guide your child while they rideTool-less training wheels that can be installed and removed at the turn of a dialEquipped with parts that are easy to adjust as they growIt's a great fit for kids ages 4-5, between 39-46- tall.