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Callaway · Driver · 2021

Epic Speed Triple Diamond LS

CaddyIndex™ breakdown — what the agentic research found across each of the six performance dimensions, with cited sources.

78CaddyIndex™confidence 0.85
Best for

You're a low-handicap golfer (0-5 HCP) at 105+ mph driver speed who wants the rarest tour-issue head in the 2021 Callaway lineup — penetrating low / low flight with adjustable rear weight and tour-spec workability.

Avoid if

You're a mid-handicapper wanting more forgiveness (the standard Epic Speed or Epic Max is the right pick), or you swing under 100mph and need higher launch / spin to keep carry distance.

Pros

  • Marketed as the longest Triple Diamond head ever from the brand — lower CG than the Epic Speed Triple Diamond or the Max LS, with a proven distance ceiling
  • 8,400+ MOI is exceptional for a tour-spec head — the tour-spec footprint without the typical low-MOI penalty
  • 12g adjustable rear weight plus OptiFit hosel plus tour-preferred neutral-to-fade shape — meaningful workability for low-handicap shapers
  • Played by multiple major champions on the PGA Tour in 2021

Cons

  • Four years out of date — exponential recency penalty drops the published score by roughly 9 points versus a 2025-equivalent
  • Tour-only availability through tour fitters — much harder to find used than the retail Epic Speed Triple Diamond
  • Requires 105+ mph swing speed to keep the low-launch / low-spin profile in the air — wrong fit for moderate swing speeds

By dimension

78

Forgiveness

Manufacturer specification documents a very high MOI (8,400+) for a tour-inspired driver — the carbon crown saves 13 grams redistributed to increase MOI and lower CG. Reviewer testing of the shared platform notes the face design and titanium construction combine to produce optimal ball speed, forgiveness and spin robustness on both center and off-center strikes. Top of the low-spin-tour range — exceptional MOI for the tour-spec footprint.

91

Distance

Manufacturer marketing positions the variant as the longest tour-spec head the brand had produced to that point. Launch coverage confirms the low, forward CG combined with the structural frame and face technology produces best-in-class distance for the tour-spec footprint. Lower CG than the sibling tour-spec model and the GI low-spin sibling. Top of the low-spin-tour range.

82

Workability

Inspired by tour feedback to produce a neutral look at address with a centre of gravity optimised for increased control and workability. Refined shape helps promote a neutral-to-fade shot shape. The higher toe, more face progression and straighter top line is purpose-built for tour shapers. Tour-only availability through tour fitters confirms the player-targeted shaping brief.

86

Looks at address

Marketing documents the head combining a higher toe, more face progression and a straighter top line for a look and setup at address tour players prefer. Launch coverage describes the tour-preferred shape with the refined visual signature. A major-championship-winning player chose the platform partly because of the at-address profile. Tour-spec premium aesthetic.

Sources

Some of the reviews, lab tests and head-to-head comparisons the agentic research read while grading this club.

Callaway Epic Speed Triple Diamond LS — CaddyIndex™ breakdown | CaddyCompare