-20" children's bicycle -Very lightweight aluminum frame and fork -Weight only 7.9 kg (excluding pedals) -Growing "Adaptive Frame": very low top tube and seat tube extends significantly backward -8-speed Shimano Altus gear system with grip shift -Inside routed cable lines -Tektro V-brakes front and rear -Small Tektro brake levers with adjustable reach -All-purpose tires 20x1.75 from Kenda. Ideal for roads, gravel paths, and simple trails. Very low rolling resistance -Lightweight tubes with Schrader valve -Low bottom bracket -Short stem without sharp edges -Child-friendly saddle -Age-appropriate pedals