Butterfly Harimoto Tomokazu Innerforce ALC vs Butterfly Timo Boll ZLC: Which Should You Buy?

UltraSpin comparison · 2026-06-13 · blade

Butterfly Harimoto Tomokazu Innerforce ALCButterfly Timo Boll ZLC
Our rating8.7/109.0/10
feelsoft, grippy, wood-like with carbon activation on full swingsdirect and responsive with ZLC dwell
handleFL/ST/ANFL/AN/ST
head_size157 x 150 mm
plies5 wood + 2 ALC (Arylate-Carbon inner fiber)7 plies: Koto / ZLC / Limba / Ayous / Limba / ZLC / Koto (5 wood + 2 ZL Carbon composite)
reaction117
speedOFF-OFF++
thickness_mm5.95.5
vibration108
weight_g8885

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This is a contrast in temperament more than family. The Harimoto Innerforce ALC is a 5-wood + 2-ALC inner-fiber blade that plays soft and grippy, holding the ball for a high, spin-loaded arc and only activating carbon on full swings. It sits at OFF-, deliberately trading pace for dwell, touch and forgiving blocks. The Timo Boll ZLC is a 7-ply Zylon-carbon flagship rated OFF++ — one of the fastest blades you can buy. Its dual ZLC layers extend dwell more than ordinary carbon, but the dominant trait is explosive, penetrating speed with a low throw, devastating when you drive through topspin loops and flat smashes. It also demands far more: it is reactive to incoming spin, stiff at low swing speeds and needs weeks of adaptation.

Who each suits

Choose the Harimoto Innerforce ALC if you are a spin-first looper who wants control, feel and a soft touch close to the table. Choose the Timo Boll ZLC if you are an elite, technically secure attacker who initiates every point and wants maximum speed with usable control.

The pick

For most players the Harimoto is the more forgiving, spin-friendly tool. Reserve the Timo Boll ZLC (9.0) for advanced attackers whose strokes are genuinely ready for OFF++ pace.

FAQ

Which is easier for learning to loop?

Butterfly Harimoto Tomokazu Innerforce ALC offers more help due to sponge characteristics.

Which offers the best value?

Butterfly Timo Boll ZLC delivers better value. Butterfly Timo Boll ZLC combines affordability with strong performance.

Which rubber maintains its grip longer?

Both have different longevity patterns handles wear better. Check specific playing conditions in detailed reviews.