XLC BMX Juvenile (16/20") 9/16" PedalsThe XLC juvenile pedal is a lightweight resin body housed around a boron steel spindle. Specifically sized to be small body for childrens bikes, it is a perfect replacement on any 12", 16", or 20" bike. Since it is a 9/16" spindle, it can only be used on 9/16" crank arms.4032191779676