Andro Treiber Z vs Butterfly Innerforce Layer ALC: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · blade

Andro Treiber ZButterfly Innerforce Layer ALC
Our rating8.7/108.8/10
feelmild, crispy, low vibration, large sweet spotmedium, high feel/dwell
handleFL, ST, AN, Chinese penFL/ST/AN
plies7-ply: kiso hinoki outer + ZLC (Z-fiber composite) inner layers + wood core5W+2 Inner Arylate-Carbon
speedOFFOFF
thickness_mm6.6-6.85.9
weight_g87-9086

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Both OFF-class blades offer excellent control, but their construction philosophies differ. The Treiber Z delivers outstanding speed-to-control balance with a huge sweet spot, mild crispy feel, and exceptional short-game performance. It is ideal for advanced players prioritizing consistency.

Innerforce Layer ALC uses a unique inner-ALC design: all-wood feel and dwell up close, then carbon kick on hard swings. It achieves excellent control across short, mid, and far game, with plenty of dwell and flex for heavy spin. The feel is more forgiving than Viscaria or Timo Boll ALC, with standout value. The bouncy first feel takes time to master, but the versatility with medium-hard inverted rubbers makes it rewarding.

FAQ

What is the inner ALC design, and how does it work?

Inner ALC places arylate-carbon layers under wood plies, giving an all-wood feel and dwell at touch range while releasing a carbon kick on aggressive swings. This blend balances feel and acceleration.

Which blade has more dwell time?

Innerforce Layer ALC offers plenty of dwell and flex, particularly suited for heavy spin generation. Treiber Z has a crisp, fast feel with less pronounced dwell.

Is Innerforce Layer ALC slower than outer-ALC blades?

Yes. It is slightly slower than outer-carbon blades like Viscaria due to the inner positioning, but still delivers solid OFF-class acceleration.

Which is better for developing players?

Treiber Z is more immediately accessible with its mild feel and consistent performance. Innerforce Layer ALC rewards technique development but has a bouncy initial feel requiring adjustment.

Which offers better value?

Innerforce Layer ALC provides exceptional value with more feel and control than Viscaria or Timo Boll ALC at a more affordable price point.