-20" children's bicycle -Very lightweight aluminum frame and fork -Weight only 7.9 kg (without pedals) -Growing "Adaptive Frame": extremely low top tube and seat tube extends far back when adjusted -8-speed Shimano Altus gear system with grip shift -Inside cable routing -Tektro V-Brake front and rear -Extra small brake levers from Tektro. Adjustable reach -All-round tires 20x1.75 from Kenda. Ideal for roads, gravel paths, and easy trails. Very low rolling resistance -Lightweight tubes with Schrader valve -Low bottom bracket -Without edges stem -Child-friendly saddle -Age-appropriate pedals