Butterfly Innerforce Layer ALC vs Butterfly Timo Boll Spirit: Which Should You Buy?

UltraSpin comparison · 2026-06-07 · blade

Butterfly Innerforce Layer ALCButterfly Timo Boll Spirit
Our rating8.8/109.0/10
feelmedium, high feel/dwellMedium and offensive with notable flex and long dwell, crisp but forgiving for a carbon blade
handleFL/ST/ANFL / ST / AN
plies5W+2 Inner Arylate-Carbon5 wood plies plus 2 arylate-carbon outer layers (5W and 2 ALC)
speedOFFOFF
thickness_mm5.95.7
weight_g8687

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Both are Butterfly OFF carbon blades, but the carbon placement changes the character. The Innerforce Layer ALC uses inner arylate-carbon, so it feels like all-wood with long dwell up close and only kicks in with a carbon boost on hard swings. That gives excellent control across the short, mid and far game, a large stable sweet spot and standout value, at the cost of being slightly slower than outer-carbon blades and a bouncy first feel.

The Timo Boll Spirit uses outer ALC for a more direct, faster offensive plate, yet keeps a long dwell time, a softer and more forgiving feel than the Viscaria, and outstanding ball feel. Its genuine OFF speed can run away from players with weak technique and it is often too fast for developing players.

Choose the Innerforce Layer ALC if you are an allround-to-offensive player who wants all-wood feel and dwell with carbon stability and on-demand acceleration. Choose the Timo Boll Spirit if you are an intermediate to advanced attacker who wants a faster, more direct looping and counter-hitting blade that still blocks softly.

FAQ

Which blade is faster?

The Timo Boll Spirit, with its outer ALC layers, is the faster, more direct blade. The Innerforce Layer ALC places the carbon inner, so it is slightly slower and feels more like all wood until you swing hard.

Which is more forgiving for control?

The Innerforce Layer ALC offers more feel and control across all distances and a larger margin up close. The Spirit is controllable for a carbon blade but its genuine OFF speed can run away from weaker technique.

Do they share the same construction?

Both are 5 wood plies plus 2 arylate-carbon layers, but the Innerforce places the ALC as an inner layer for an all-wood feel, while the Spirit places it as an outer layer for a faster, more direct response.