CNC-machined gear box height adjustment plate made from premium-grade graphite material. Increases performance in high-traction conditions, allows super-low ride height. To keep the drive shafts linear, the gear box can be raised by 2mm using optional graphite plates. There are two different ride height adjustable plates which raise either only the gear box, or the entire rear suspension. Must be used with #324013 Aluminum Front-Mid Motor (3 Gears) Plate - Lowered -2mm - 7075 T6.