- CNC Machined for the ultimate accuracy. - Manufactured to be lightweight but using an extremely rigid material for stiffness and concentricity. - Secured with 3 countersunk screws for equal fixing pressure and accuracy. - 3.5mm width for the ultimate efficiency and weight saving. - Narrow design for improved battery placement and therefore left to right weight distribution. - Fits Mi8 / Mi9 / FT8 / FT9 and many modern touring cars.