Butterfly Dignics 05 vs Nittaku Fastarc G-1: Which Should You Buy?

UltraSpin comparison · 2026-06-06 · rubber

Butterfly Dignics 05Nittaku Fastarc G-1
Our rating9.0/108.8/10
best_sidebothboth
controlmedium-highmedium-high
speedhigh (Butterfly rating 86)15.0 (Nittaku)
spinvery high (Butterfly rating 85)12.5 (Nittaku)
sponge_hardness40 degrees (Butterfly scale)47.5°
typetensor inverted (Spring Sponge X)tensor inverted
weight_uncut_g7069

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Both are spin-heavy offensive rubbers for either wing, but they ask different things of you. The Dignics 05, rated a 9, is the more potent and more demanding sheet: violently dipping topspin, immense power and a firm 40-degree sponge that needs fast, committed swings to come alive. It is also one of the most expensive rubbers you can buy.

The Fastarc G-1 trades a little of that ceiling for forgiveness. Its high, safe throw makes opening loops against backspin consistent, it pairs heavy spin with real speed, and it offers Tenergy-class durability at a lower cost. Its 47.5-degree sponge still rewards a sound, committed stroke.

For advanced attackers who can drive the ball hard and want the maximum power-and-control package, the Dignics 05 is the pick. For intermediate-to-advanced players who want easy, reliable openers and elite longevity without the top-shelf price, the Fastarc G-1 is the more sensible choice on both wings.

FAQ

Which is easier to loop backspin with?

The Fastarc G-1. Its high, safe throw is built for forgiving, consistent opening loops against backspin, while the Dignics 05 demands more swing speed and precision to get the same result.

Do I need advanced technique for both?

Both reward committed strokes. The Dignics 05 is firmly an advanced-player rubber. The Fastarc G-1 is more forgiving but still best for intermediate-to-advanced attackers rather than beginners.

Is the Fastarc G-1 a good value alternative?

Yes. It delivers Tenergy-class performance and durability at a lower cost, making it a strong-value step below the premium Dignics 05.