Nittaku Fastarc C-1 vs Nittaku Fastarc S-1: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · rubber

Nittaku Fastarc C-1Nittaku Fastarc S-1
Our rating8.4/107.9/10
best_sidebackhand or allroundforehand or backhand
controlhigh70
speed15.25 (Nittaku scale)97
spin12.25 (Nittaku scale)96
sponge_hardness45 degrees35 degrees
typeinverted / tensorinverted
weight_uncut_gapprox 47 g (157 x 150 mm sheet)around 41-43g

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Nittaku Fastarc C-1 emphasizes spin, dwell time, and forgiving high arc. Its grippy topsheet and medium-hard sponge suit intermediate to advanced loopers prioritizing arc safety and consistent spin. C-1 is versatile across backhand or all-round forehand use.

Nittaku Fastarc S-1 is a lightweight, genuine-speed tensor under 43 grams. Its softer sponge and non-tacky grippy topsheet favor players transitioning from beginner rubbers and seeking control alongside pace. S-1 excels at blocking and serve-return stability but generates noticeably less spin than C-1. Choose C-1 for spin specialists; S-1 for speed-oriented all-rounders.

FAQ

Which generates more spin?

C-1 (12.25 Nittaku) generates significantly more spin than S-1 (96 on its scoring scale). If spin is essential, choose C-1.

Which is lighter?

S-1 at approximately 41-43g uncut is substantially lighter than C-1 at approximately 47g. S-1 suits players preferring low-weight setups.

Which is faster?

S-1 (97 speed scale) is faster than C-1 (15.25 Nittaku). S-1 is the pace choice; C-1 balances speed with arc and spin.

Which suits beginners better?

S-1. Its lightweight, forgiving, speed-oriented character and accessibility for developing players make it a better stepping stone than C-1.

Can I use either on both wings?

C-1 works comfortably on backhand or all-round forehand. S-1 is more universal (forehand or backhand) but less specialized than C-1.