Adjustable 21.5" to 27.5" seat height. 20" x 1.75" Tires are wide and grippy. Front and rear V-brakes are highly responsive. Optimized pedaling is intuitive and efficient. Fun safety bell chimes for a good time. High-tensile steel frame with low-profile step over design. Steel 1-piece crank. High impact nylon pedals with 1/2" reflectors. Steel center mount kickstand. 20" Size is ideal for riders 48" to 58" tall. 21" Standover height. Comes with fun decorative stickers and basket. Recommended ages 6 to 8 years.