-20" Children's Bicycle -Very lightweight aluminum frame and fork -Weight is only 7.9 kg (without pedals) -Growing "Adaptive Frame": very low top tube and seat tube extends far back during adjustment -8-speed Shimano Altus gear system with twist grip -Internal cable routing -Tektro V-Brake both front and rear -Tektro extra small brake levers. Adjustable grip width -All-purpose 20x1.75 tires from Kenda. Perfect for roads, gravel paths, and easy trails. Very low rolling resistance -Lightweight inner tubes with Schrader valve -Low bottom bracket -Short stem -Child-friendly saddle -Age-appropriate pedals