Donic Bluefire M1 vs Nittaku Fastarc S-1: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · rubber

Donic Bluefire M1Nittaku Fastarc S-1
Our rating8.4/107.9/10
best_sideForehandforehand or backhand
control9.1 / 1070
speed9.7 / 1097
spin9.0 / 1096
sponge_hardness47.5 degrees (medium-hard)35 degrees
typeInverted / Tensorinverted
weight_uncut_gapprox 49 garound 41-43g

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M1 (8.4) is the hardest, fastest Bluefire variant, demanding 1500-plus USATT technique for close-to-mid table topspin attacks. S-1 (7.9) is exceptionally lightweight (under 43g) and soft (35 degrees), delivering genuine tensor speed without stiffness. S-1 accessible for developing and intermediate players, excels at blocking and serve-return, and works on both wings. M1 is far faster (9.7/10 vs 97 on different scales) but requires elite technique and fades after 1-2 months. S-1 spin output lags considerably. M1 for established forehand specialists seeking extremity; S-1 for intermediates and backhand players seeking lightweight speed and forgiving control. Opposite ends of the spectrum.

FAQ

Which is significantly lighter?

S-1 under 43g uncut is much lighter than M1 (approx 49g), crucial for control.

Which is harder and faster?

M1 is dramatically harder and faster. S-1 is soft and speed-moderate for its type.

Which is more accessible to developing players?

S-1 is highly accessible. M1 requires 1500-plus USATT skill to avoid overwhelming.

Which works better on backhand?

S-1 excellent on backhand. M1 too hard for most players on non-dominant wing.

Which is more durable?

S-1 reports better durability than M1, which fades within 1-2 months.