Butterfly Tenergy 05 vs Nittaku Fastarc S-1: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · rubber

Butterfly Tenergy 05Nittaku Fastarc S-1
Our rating9.0/107.9/10
best_sidebothforehand or backhand
controlmedium-high70
speed13.0/1497
spin11.5/1296
sponge_hardness36° (Butterfly scale)35 degrees
typetensor invertedinverted
weight_uncut_g68around 41-43g

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Butterfly Tenergy 05 offers extreme spin paired with high throw and premium build quality. Nittaku Fastarc S-1 prioritizes speed and accessibility: under 43g uncut, forgiving touch, and strong value for intermediate players who want pace over spin dominance.

Tenergy 05 is essential for advanced loopers on medium-to-heavy blades who lead with topspin. Fastarc S-1 suits intermediate attackers transitioning from beginner rubbers, especially those who prize lightweight control and versatility on all-wood or moderate blades.

FAQ

Why is Fastarc S-1 so light?

It is designed for accessibility and swing speed rather than raw power. The lightweight build helps developing and intermediate players.

Which generates more spin?

Tenergy 05 dominates in spin output. Fastarc S-1 spin is notably lower, making it better for pace-first play.

Are they both durable?

Tenergy 05 durability is exceptional; throw persists even when aging. Fastarc S-1 is solid but requires careful maintenance.

Which is more suitable for beginners?

Fastarc S-1 is far more accessible: forgiving touch, stable blocking, and gentle learning curve. Tenergy 05 is unforgiving for beginners.

Can both work on backhand?

Tenergy 05 is equally strong both wings. Fastarc S-1 is versatile and works well on backhand despite forehand origin.