This single-speed trailer cycle helps kids learn balance while offering superior handling tracking and stability.Lightweight aluminum frame 16.5 lbsRecommended for children 4 to 10 years old and up to 85 lbsFeatures Burley's patented hitch system with ball-bearing guided pivots providing excellent handling and stability20 inch wheelIncludes Burley's Moose rack to attach the trailer cycle to the bikeAdjustable handlebar and seat postIncludes safety flag and both wheel and rear reflectors