Butterfly Innerforce ZLC vs Stiga Intensity NCT Carbon: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · blade

Butterfly Innerforce ZLCStiga Intensity NCT Carbon
Our rating8.5/108.0/10
feelSoft-medium; woody feel with ZLC carbon layers near the coremedium-soft, good dwell, large sweet spot
handleAN / FL / STFlared, Anatomic, Straight, Chinese Penhold
plies5 wood + 2 ZLC carbon (inner ZLC construction)5 wood + 2 carbon NCT
speedOFFOFF-
thickness_mm5.75.9
weight_g8482

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The Innerforce ZLC is the rarer, softer carbon option: discontinued and prized by advanced loopers who demand exceptional feel and dwell time. The Stiga Intensity NCT is modern, accessible, and forgiving—a lightweight carbon blade with good dwell and large sweet spot, designed for topspin consistency over raw power.

Choose the ZLC if you’re an advanced topspin specialist and can find one; its woody feel and smooth response reward refined technique. Pick Intensity if you’re intermediate to advanced, transitioning from all-wood to carbon, and want strong value: it’s lighter, cheaper, and more forgiving, though it concedes the ZLC’s premium feel.

FAQ

Which carbon feels softer and more forgiving?

The ZLC by design—its inner-carbon placement and longer dwell produce a softer, more reward-rich response. Intensity is medium-soft but stiffer overall.

How much does cost differ?

Intensity is modern and affordable. The ZLC, discontinued, commands premium resale. For value, Intensity wins decisively.

Are both suitable for first-time carbon buyers?

Intensity: yes, it’s beginner-friendly with large sweet spot and lightweight design. The ZLC: no, it demands solid fundamentals to unlock its potential.

Which is better for blocks and smashes?

Intensity delivers decent power here. The ZLC, topspin-optimized, can feel underpowered on flat hits—it’s not designed for blockers.