-20" children's bicycle -Extremely lightweight aluminum frame and fork -Weighs only 7.9 kg (without pedals) -Growing "Adaptive Frame": very low top tube and seat tube that extends far back -8-speed Shimano Altus gear system with twist grip -Internally routed cables -Tektro V-brakes front and rear -Extra small brake levers from Tektro. Adjustable grip width -All-round tires 20x1.75 from Kenda. Perfect for roads, gravel paths, and easy trails. Very low rolling resistance -Lightweight inner tubes with Schrader valve -Low bottom bracket -Edgeless stem -Child-friendly saddle -Age-appropriate pedals