Extra Stiff Flex The RAD SPEED XB Driver features an oversized head shape and backbiased Radial Weighting for the longest and most forgiving ball flight with low spin The backbiased Radial Weighting system positions 20g of weight in the back of the head for more forgiving performance The new Carbon Wrap Crown system is 30% thinner to create extra weight that can be repositioned to optimize swing performance A refined TBar Speed Chassis is lighter and allows for even more redistributed weight towards the front in order to decrease spin and increase ball speed An infinity edge CNC Milled face expands the milled area by 95% increasing the zone of maximum ball speed GlobalGolfcom online store offers superior selection service and quality for your Cobra golf Clubs needs