-20" children's bike -Very lightweight aluminum frame and fork -Weight of only 7.9 kg (without pedals) -Growing "Adaptive Frame": very low top tube and seat tube extends far back when adjusted -8-speed Shimano Altus gear system with twist grip -Concealed cable routing -Tektro V-brakes front and rear -Small brake levers by Tektro, adjustable reach -All-terrain tires 20x1.75 from Kenda. Ideal for road, gravel paths, and simple trails. Very low rolling resistance -Lightweight tubes with Schrader valve -Low bottom bracket -Short stem -Child-friendly saddle -Age-appropriate pedals