Butterfly Innerforce ZLC vs Donic Waldner Black Devil Carbon Balsa: Which Should You Buy?
| Butterfly Innerforce ZLC | Donic Waldner Black Devil Carbon Balsa | |
|---|---|---|
| Our rating | 8.5/10 | 7.8/10 |
| feel | Soft-medium; woody feel with ZLC carbon layers near the core | stiff, minimal dwell |
| handle | AN / FL / ST | Anatomic / Flared / Straight |
| plies | 5 wood + 2 ZLC carbon (inner ZLC construction) | 7-ply: Koto outer + carbon + balsa core |
| speed | OFF | OFF+ |
| thickness_mm | 5.7 | approx 6.0mm |
| weight_g | 84 | around 84g |
Donic Waldner Black Devil Carbon Balsa
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The Innerforce ZLC and Donic Waldner Black Devil Carbon Balsa exemplify two carbon strategies. The ZLC preserves dwell and spin through inner-carbon placement; the Black Devil maximizes speed and crispness through outer-carbon and balsa-core lightness, sacrificing dwell almost entirely.
The ZLC excels at topspin loops from close-to-mid distance. The Black Devil dominates flat drives, smashes, and aggressive counter-attacks where dwell is unwanted. The ZLC suits European looping styles; the Black Devil suits fast, direct attack play. The Black Devil is extremely light at 84g and technically demanding for intermediate players. The ZLC is more forgiving and adaptive. If your game revolves around heavy topspin and looping, the ZLC. If you attack primarily with flat hits and smashes, the Black Devil delivers precision and pace.
FAQ
Which is better for topspin loops?
The Innerforce ZLC by far. High dwell time aids topspin generation. The Black Devil has near-zero dwell and is unsuitable.
Can I use the Black Devil for looping?
Not effectively. Lack of dwell makes heavy topspin and loop play extremely difficult.
Which blade is lighter?
Both are around 84g, but the Black Devil feels lighter due to its ultra-stiff construction.
Which requires softer rubber?
The Black Devil needs soft-to-medium-soft rubber to balance its stiffness. The ZLC adapts to all ranges.