Festa Jaune MS Flex Old Black Chassis Completed Model These are handmade. Those who are overly particular should refrain from purchasing this item. Polycarbonate body (blackened) MS Flex (with shaft and black spring) Mach Dash motor (break-in period completed) Front and rear low-friction tires Thin tires 23.5 mm / pre-glued Black carbon wheels/rim cut 72mm vacuum stainless steel shaft The bearings have been degreased, and the rollers have been depressurized and degreased.