Specification for the Kid adjustable package: 3x110You need to select your boot size, as well as the size of the Z Frame and the size of the Z wheels. All the Kid's Challenge Adjustable comes with Bionic Abec 7 Bearings.
Check the Video to learn more about adjusting the kid challenge boot .
Here are the option for the Kid challenge adjustable package: ▪ Sizes Small : 13J/31 – 2/34
Frame Striker 10.60 3X110 with the choice of the Atom One wheels 84MM,90MM,100MM,110MM/85A
▪ Sizes Medium: 2/34 – 5/37 Frame Striker 11.60 3x110 with the choice of the Atom One wheels 84MM,90MM,100MM,110MM/85A