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Gearbox GX2 Elongated 16mm vs Proton Series Four 15mm

Side-by-side comparison with lab-tested specs

Specs Comparison

Spec
Gearbox GX2 Elongated 16mm
Proton Series Four 15mm
Price
$269.99
$300
Swing Weight
119
116
Twist Weight
5.72
5.61
Weight
7.9 oz
8 oz
Core
16mm
—
Power
57.8 MPH
57.7 MPH
Pop
36.5 MPH
36.2 MPH
Spin
2067 RPM
2114 RPM
Shape
Elongated
—
Face
Carbon
Composite
Build
No Gen
—
Balance
250mm
241mm

Gearbox GX2 Elongated 16mm

This paddle delivers 86th percentile power (57.8 MPH), plush 16mm+ feel, spin-friendly low twist weight — a all-court option in a elongated shape.

Pros

  • +Elite power — 57.8 MPH puts it in the 86th percentile of all paddles tested (avg 56.4)
  • +Elongated shape gives extra reach on defense, overheads, and two-handed backhands
  • +Thick core (16mm+) provides a soft, controlled feel with a large sweet spot

Cons

  • −Low stability — twist weight of 5.72 (14th percentile) means off-center hits will twist more in your hand
  • −Narrower face means a smaller horizontal sweet spot
  • −Thick core trades some pop and hand speed for control

Best For

Power PlayersSingles PlayersTennis Converts

Proton Series Four 15mm

This paddle delivers 84th percentile power (57.7 MPH), spin-friendly low twist weight — a versatile option.

Pros

  • +Above-average power at 57.7 MPH (84th percentile, avg 56.4)
  • +Good spin generation at 2114 RPM (74th percentile)

Cons

  • −Low stability — twist weight of 5.61 (11th percentile) means off-center hits will twist more in your hand
  • −Premium price at $300 — more expensive than 98% of paddles (avg $197)

Best For

Power PlayersTennis Converts

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