Callaway

Big Bertha B21

Although the origin story of hybrids started with helping average golfers with their ineptitude, many hybrids today don’t always commit to the concept. Rather than flirting with the idea, however, this head exudes super game improvement. It’s not that the B21 swings itself, but it does nearly everything else for those whose only airborne long iron was the one they javelined into the lake on 16. For starters, there’s a carbon-composite crown to save weight in the oversize head, pushing the centre of gravity lower. Moulded tungsten weights deep in the heel and toe also move mass low, and even the hosel’s smaller size adds to this effect. The saved weight is redistributed along the perimeter for extra forgiveness, and the offset hosel helps to square the face and elevate launch. The wraparound cupface gets Callaway’s artificial-intelligence treatment, which forms a variable-thickness design unique to each loft. Then there’s the boost from the pair of internal vertical bars that join the crown and sole. Known as Callaway’s “Jailbreak” technology, it concentrates flexing in the face for better energy transfer. If that’s not enough game-saving help for you, there’s even an 8-hybrid in the line.

LOFTS 19, 21, 24, 27, 30, 33

Reviewer profile

“It has a slightly larger shape that delivers a punch. The ball goes high and straight. No trouble getting through the turf – none.”

SILVER
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Performance
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Innovation
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LOOK・SOUND・FEEL