16" Nickelodeon Teenage Mutant Ninja Turtles Boys' Bike, Black (TMNT Bike) Frame: low, stand-over aluminum/steel frame Coaster brake for secure stops Wheels: training wheels for added stability Quick release saddle for easy height adjustments Stem pad for safety,Turtle-shaped handlebar bag adds style,Black 16" bike is recommended for child between 38" and 48" tall,Adult assembly required,Dimensions: 36.8"L x 7.5"W x 18"H