The world’s smallest commercial quality exercise bike! Features include: simple adjustable tension as well as multiple computer programs, portable wheel system,adjustable seat, adjustable pedal straps, heart rate control capability, contact heart rate sensors, computer readout of heart rate, speed, time, distance & calories. Shipped freight, fully assembled, sized and proportioned for children. 40"L x 24"W x 45"H. Weighs 125 lbs. Recommended for ages 4-9.