... :400MM,Width:100MM.Height:400-600MM N/W:1.96KG Hot Product Foot ScooterThis scooter uses flash wear PVC wheel, all-aluminum ... height to adjust the height, folding up when not in use, front and rear wheel design, the operation is relatively stable ... frame. Bearing good, not easily deformed.2,The world's leading high-density ABEC-5 chrome steel bearings.3,Use of the top ...