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Callaway Big Bertha Alpha 815 Double Diamond Driver - Left Hand

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Product Description

Big Bertha Alpha Double Black Diamond is the perfect choice if you need ultra low spin to maximize distance. The face is lighter from R•MOTO, and we use the leftover weight to move the CG low.

Maximum Distance From Extreme Low Spin

 This is the lowest spinning driver we’ve ever made. If you have the ball speed and launch conditions to match, extreme distance will be there.

Lighter Weight In The Face Leads To Low CG

Remember this name – R•MOTO. It’s the new face technology that provides structure and saves weight leading to higher ball speeds all across the face. And we use that weight to move the CG low and more forward to give you even more speed.

Adjustable Launch Conditions

We modified the crown of the driver so we could fit a taller Gravity Core. This gives you more spin separation between low and high settings. All without changing loft or face angle.

Compact Head Shape

The players who use this kind of driver like a deeper face, and that’s what we’re giving them. The shape of the crown and face angle at address all suit better players’ eyes.

OptiFit Adjustability

8 way adjustability for loft (-1, S, +1, +2) and lie angle (Draw or Neutral), along with Draw and Neutral CG settings.

Premium Shaft Offerings


  • Aldila Rogue 60
  • Matrix 75M4 Black Tie

Additional Custom Shaft Offerings at No Upcharge

  • Mitsubishi Bassara 42
  • Mitsubishi Bassara 52
  • Matrix Ozik White Tie 50
  • Matrix Ozik Red Tie 60
  • Fujikura Motore Speeder 565
  • Fujikura Motore Speeder 665
  • Fujikura Motore Speeder 765
  • Project X LZ 6.0
  • Mitsubishi Diamana S+ 60
  • Fubuki ZT 60
  • Fubuki Z 50
  • Aldila Tour Green


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