-20" Children's Bike -Very lightweight aluminum frame and fork -Weight only 7.9 kg (without pedals) -Adjustable "Adaptive Frame": very low top tube and seat tube extends far back -8-speed Shimano Altus transmission with twist grip -Internally routed cables -Tektro V-Brake rear + front -Extra small brake levers from Tektro. Grip width adjustable -All-round tires 20x1.75 from Kenda. Ideal for road, gravel paths, and easy trails. Very low rolling resistance -Light tubes with Schrader valve -Low bottom bracket -Short stem -Kid-friendly saddle -Age-appropriate pedals