20" Kids 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 derailleur with twist shifter - Internally routed cables - Tektro V-Brakes front and rear - Extra small Tektro brake levers. Grip width adjustable - 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 - Short stem - Kid-friendly saddle - Age-appropriate pedals