-20" Kids' Bicycle -Very lightweight aluminum frame and fork -Weight only 7.9 kg (without pedals) -Growing "Adaptive Frame": very low top tube and seat tube extends backward significantly -8-speed Shimano Altus shifting with twist grip -Internal cable routing -Tektro V-Brakes front and rear -Small brake levers by Tektro. Adjustable lever reach -All-round tires 20x1.75 from Kenda. Ideal for streets, gravel paths, and easy trails. Very low rolling resistance -Lightweight tubes with Schrader valve -Low bottom bracket -Short stem -Child-friendly saddle -Age-appropriate pedals