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

UltraSpin comparison · 2026-06-13 · blade

Butterfly Harimoto Tomokazu Innerforce ALCButterfly Timo Boll ALC
Our rating8.7/109.0/10
feelsoft, grippy, wood-like with carbon activation on full swingsmedium
handleFL/ST/ANFL/ST/AN
plies5 wood + 2 ALC (Arylate-Carbon inner fiber)5W+2 Arylate-Carbon
speedOFF-OFF
thickness_mm5.95.8
weight_g8886

We may earn a commission from links on this page. Learn more.

Both are 5-wood + 2-arylate-carbon blades, but the fiber placement sends them in opposite directions. The Harimoto Innerforce ALC buries its ALC beneath two wood plies, so it opens with a soft, grippy, almost all-wood touch and only stiffens into carbon power once you commit a full swing. That gives it a high arc, long dwell and outstanding spin on opening loops, plus easy blocking and short-game touch — but it measures genuinely slower (OFF-) and can feel head-heavy with hard rubber. The Timo Boll ALC runs its carbon under a single koto outer ply, producing the crisper, faster (OFF) release and the famous large, even sweet spot. Its identity is balance: class-leading spin on both wings, solid un-hollow feel and superb play from mid-distance to away from the table.

Who each suits

Pick the Harimoto Innerforce ALC if you are a spin-first, close-to-table two-winged looper who wants maximum dwell and feel and doesn’t mind sacrificing top-end pace. Pick the Timo Boll ALC if you want a do-everything attacking blade with more speed, a bigger margin for off-center contacts and proven versatility from blockers to all-out attackers.

The pick

For most attacking shakehand players the Timo Boll ALC (9.0) is the safer, more versatile choice. Choose the Harimoto only if touch and spin outrank raw speed for you.

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 ALC delivers better value. Butterfly Timo Boll ALC 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.