-20" children's bicycle -Very lightweight aluminum frame and fork -Weighs only 7.9 kg (without pedals) -Growing "Adaptive Frame": very low top tube and the seat tube extends significantly backward -8-speed Shimano Altus gear system with twist grip -Cables routed internally -Tektro V-Brake on the front and rear -Small brake levers from Tektro with adjustable reach -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 -Cornerless stem -Child-friendly saddle -Age-appropriate pedals