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

UltraSpin comparison · 2026-06-10 · rubber

Butterfly Dignics 80Nittaku Fastarc C-1
Our rating9.0/108.4/10
best_sideFH and BH (both sides)backhand or allround
controlmediumhigh
speedvery high15.25 (Nittaku scale)
spinvery high12.25 (Nittaku scale)
sponge_hardnessapproximately 40 degrees45 degrees
typeInverted (tensor, Spring Sponge X)inverted / tensor
weight_uncut_gapproximately 70approx 47 g (157 x 150 mm sheet)

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Choose Dignics 80 if you want very high spin, catapult dwell, and balanced performance on both wings. Clean technique and fast arm speed unlock its full potential. Durability and compatibility with inner-carbon blades make it a strategic allround choice.

Choose Fastarc C-1 for intermediate-to-advanced looping with a forgiving high arc and outstanding dwell time. Spinny grip and effortless blocks make it ideal as a backhand rubber or allround forehand for arc-first players. Top-end speed ceiling is lower, and passive spin generation requires active strokes.

FAQ

Which generates more spin actively?

Dignics 80 produces extreme active spin. Fastarc C-1 spins well but generates less passive spin—needs active strokes.

Which is more forgiving?

Fastarc C-1 delivers forgiving high arc and excellent safety margin. Dignics 80 rewards clean technique.

Which is better for backhand?

Fastarc C-1 is ideal for backhand. Dignics 80 works both sides but is more forehand-leaning.

Which offers better value?

Fastarc C-1 costs less than Tenergy 64 or 80. Dignics 80 is premium-priced for its durability and balance.