Depending on the weight of the rider, the clearance from the bottom of the controller box to the ground is between 9-12cm. You can increase ground clearance by tightening up the screw of your suspension.
Internal Dimension: 420 x 117 x 52 mm
Material: Aluminum Alloy
Max Battery Size: 60V 14Ah (using LG MJ1 cells) or 60V 12Ah (using 21700 cells)