*INNER BLADDER
:high density and comfortable inner bladder,breathable and not stuffy feet
material
*SHOE CASE: PP Taiwan 3015 high strength composite material
*BUCKLE:PU buckle belt,aluminum alloy fine-tuning buckle,to ensure the safety of sliding
*SUPPORT: CNC precision carved aluminum alloy support,not tough
*WHEELS:high elastic wear resistant PU flat wheel
* SILENT BEARING: minimum volume at 29 decibels, dustproof
* TOE CAP: wear-resisting PP+nylon material , anticollision
*BEARING: ABEC-7 chrome steel bearing,
strong stability
* 4 size adjustable shell for junior
*SIZE: 27-31#(62-64 mm)、32-36#(70-72 mm)
37-40#(70-72 mm)