Aluminum right back LEFT upright CNC-machined from premium Swiss 7075 T6 aluminum. Designed & suitable for utilized in high-traction conditions. Increases back stability. Features extra top roll center roles for fine tuning. Roll center height is modified using shims between upright and top website link. Wheelbase range is increased and might be modified within a selection of 4mm. In addition black colored colored coated and laser engraved.