Mini Mk1 850 Base Racing Mini Equipped with special parts. Aluminum Radius arm. Adjustable Lower arm. Aluminum racing Head.Cross ratio Racing Gear. Automatic Power Lock Diff. Disc brake front and Rear for racing. Dual brake system.Comp Shock front and Rear. and more Ideal for practice. Very fast. but without problems on the Road. for sale please contact so-engineering@nij.co.jp