Diamondback Joker BMX Bike (20-Inch Wheels) 20-inch street/park BMX bike designed for mid-sized riders Hi-Ten steel frame and fork; chromoly 3-piece cranks DB Sound alloy platform pedals; 48-spoke alloy wheels Tektro 907 U-brakes; Hi-Ten steel 2-piece handlebars Recommended for ages 8 to 12