Aluminum right back RIGHT upright CNC-machined from premium Swiss 7075 T6 aluminum. Designed & suitable for in high-traction conditions. Increases straight back stability. Features extra top roll center jobs for fine tuning. Roll center height might modified making use of shims between upright and top hyperlink. Wheelbase range happens to be increased and may be modified within a range of 4mm. Additionally black colored colored colored coated and laser etched.