The Big Bertha Fusion pushes the boundaries of forgiveness like no Callaway club ever has. Big Bertha Fusion The key benefit? More forgiveness means straighter flight on mis-hits, and straight flight nets longer distance, drive after drive. To increase forgiveness you have to raise the head's MOI measurement. We've succeeded dramatically by developing a revolutionary clubhead design that starts with an aerospace-grade titanium exoskeleton called an Exo-Cage. The Exo-Cage is fitted with a crown and sole composed of an ultra-light, ultra-strong material called triaxial carbon. Triaxial carbon is made possible by the deep knowledge Callaway has gained from their years of experience incorporating carbon materials into their metalwoods. Big Bertha Fusion's numbers speak volumes. The revolutionary new triaxial carbon material is over 65% lighter than titanium, and more than 35% thinner than their previous forged composite material. This allows Callaway to position a remarkable 35.4 grams in strategic areas of the head to optimize the center of gravity and increase the MOI, which will increase the quality and accuracy of off-center hits. This driver also incorporates Callaway's Speed Step technology, devised with the help of aerospace experts, to enhance the head aerodynamics, promoting faster clubhead speeds.
Maximum Forgiveness from Fusion Technology - Big Bertha Fusion pairs an aerospace-grade titanium Exo-Cage with Callaway's ultra-light Triaxial Carbon crown and sole. The fusion of these materials allowed Callaway engineers to position substantially more weight in the perimeter and far back from the face compared to their previous drivers, resulting in a dramatically higher level of forgiveness.
Speed and Forgiveness from a New and Innovative Shape - Big Bertha Fusion's Triaxial Carbon Exo-Cage gives Callaway's the freedom to break previous tradeoffs regarding head shape, giving us the ability to create an appealing new shape that combines fast aerodynamics with high MOI. The new shape also allowed for new options in acoustic engineering, allowing greater ability to evoke an especially satisfying sound and feel.
Increased Head Speed from Industry-leading Aerodynamics - The streamlined head shape, aided by Callaway's proprietary Speed Step that they created with the help of aerospace experts, is designed to move faster through the air.
High Performance Stock Shaft Options-
1.) UST's first ever Recoil driver shaft is designed to load energy on the downswing and unload with an extraordinary combination of power and precision through impact.
2.) Mitsubishi's Diamana Red shaft combines a firm midsection and active tip to promote high launch, low spin and fast ball speed, and to make it easier to hit a distance-enhancing draw.