-20" Kids Bike -Very lightweight aluminum frame and fork -Weight only 7.9 kg (without pedals) -"Adaptive Frame" that grows with the child: very low top tube and seat tube goes far back when extended -8-speed Shimano Altus gear system with twist shifter -Internally routed cables -Tektro V-Brake rear + front -Extra small brake levers from Tektro. Adjustable reach -All-around tires 20x1.75 from Kenda. Ideal for roads, gravel paths, and easy trails. Very low rolling resistance -Light tubes with Schrader valve -Low bottom bracket -Short stem without edges -Child-friendly saddle -Age-appropriate pedals