Downhill racing requires complete and utter faith in your equipment and specialized understand your desire to cherry pick and fine tune every last component of your dream downhill rig the demo 8 is constructed from specializeds proprietary m5 aluminium and while the reasons for this are stacking it all comes down to stiffness light overall weight and strength not only that but it also features a 15 inch forged head tube an asymmetric frame design ensuring plenty of frame access spec