Polaris Edge LX200 20" Kid's Bike - The 20-in Polaris Edge LX 200 boys bicycle is a great selection for a kid's bike. Built on a T frame and equipped with a hand brake and a coaster brake, the LX 200 lets the little ones learn early-on how to keep safely in control. This knobby-tired machine has everything you need to teach your child how to handle a bike, including a kick stand, fenders, and a frame pad set. A chain guard prevents young fingers from getting caught.