Butterfly Dignics 80 vs Nittaku Fastarc S-1: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · rubber

Butterfly Dignics 80Nittaku Fastarc S-1
Our rating9.0/107.9/10
best_sideFH and BH (both sides)forehand or backhand
controlmedium70
speedvery high97
spinvery high96
sponge_hardnessapproximately 40 degrees35 degrees
typeInverted (tensor, Spring Sponge X)inverted
weight_uncut_gapproximately 70around 41-43g

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Dignics 80 and Nittaku Fastarc S-1 serve opposite performance tiers and weight profiles. Dignics 80 is premium-tier, balanced on both wings, reviving Tenergy 05 catapult feel with very high spin and durability superior to Tenergy series—ideal for intermediate-to-advanced attackers with fast arm speed seeking catapult feel and premium performance. Fastarc S-1 is one of the lightest tensors available (under 43g), emphasizing lightweight speed-oriented play over peak spin, accessible to intermediate all-round attackers, and strong value versus premium rubbers. Dignics dominates spin, catapult feel, and performance tier; S-1 dominates lightweight accessibility and cost-effectiveness. Choose Dignics 80 for premium performance on both wings; choose S-1 for lightweight all-round entry to tensor play.

FAQ

Which is lighter?

S-1 at around 41-43g is significantly lighter than Dignics 80 at approximately 70g.

Which is more premium?

Dignics 80 is premium-tier with superior durability. S-1 is accessible all-rounder tier.

Which suits beginners upgrading?

S-1 is more forgiving and lightweight. Dignics 80 demands fast arm speed and clean technique.

Which produces more spin?

Dignics 80 rates extreme spin, very high. S-1 at 96 is respectable but lower.

Which works on both wings?

Both work both wings. Dignics 80 is more balanced and premium; S-1 is lightweight and forgiving.