Butterfly Innerforce Layer ALC vs Stiga Cybershape Carbon: Which Should You Buy?

UltraSpin comparison · 2026-06-10 · blade

Butterfly Innerforce Layer ALCStiga Cybershape Carbon
Our rating8.8/108.4/10
feelmedium, high feel/dwellMedium-stiff with woody feedback; head-heavy balance; larger sweet spot placed further up the blade
handleFL/ST/ANFlared (Classic) or Concave (Master)
plies5W+2 Inner Arylate-Carbon5+2 carbon (CCF Close Core Fibre — carbon layer sits directly on wood core)
speedOFFOFF (Stiga speed rating 9.0 out of 10)
thickness_mm5.9approx 5 mm
weight_g8685 plus or minus 5 g

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The Innerforce ALC is your reliable, versatile choice—stable sweet spot, excellent control, and flexible feel that forgives a range of rubber choices. The Cybershape Carbon is an engineering statement: exceptionally large sweet spot verified by KTH lab tests, head-heavy balance that accelerates backhand and forehand drives, and a distinctive hexagonal shape that offers superior serve angles.

Pick the Innerforce ALC if you want a classical oval blade with proven balance and forgiving feel. Choose the Cybershape if you are an advanced player, willing to adapt to its angular geometry, who values blocking comfort, larger sweet spot, and natural acceleration on counter-attacks. The Cybershape demands compact technique to avoid overhitting and costs significantly more (around 220 EUR).

FAQ

Why does the hexagonal shape matter?

The hexagonal shape of the Cybershape aids serve angles and improves bat angle awareness, making it easier to adjust spin and placement on serves—an advantage for advanced players.

Which blade is better for beginners?

The Innerforce ALC is significantly more beginner-friendly. The Cybershape is demanding—its short dwell time challenges heavy topspin styles, and its geometry requires adaptation.

Which has a bigger sweet spot?

The Cybershape Carbon has an exceptionally large sweet spot positioned higher on the blade, verified by lab testing, while the Innerforce ALC offers a large, stable sweet spot that is still more compact.