The award-winning FirstBIKE Street balance bike features air tires ideal for urban areas (concrete, stone, or packed dirt surfaces), an integrated hand-controlled rear drum brake with SafetyStop, and a high-tech, injection-molded composite weatherproof frame that doesn’t scratch, splinter, swell, or rust like wood or metal. The hand-controlled, rear drum SafetyStop™ brake ensures very gentle and gradual braking; and the braking power can be adjusted.