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

UltraSpin comparison · 2026-06-12 · rubber

Loki RXTON 1Nittaku Fastarc S-1
Our rating8.0/107.9/10
best_sidebothforehand or backhand
controlvery high70
speedlow to medium97
spinhigh96
sponge_hardnessmedium (around 38-39 degrees Chinese scale, roughly 50-52 ESN)35 degrees
typetacky inverted (budget)inverted
weight_uncut_g64around 41-43g

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Loki RXTON 1 delivers outstanding value at roughly fifteen dollars per sheet with very high control and usable spin, ideal for beginners and returning players building inexpensive custom rackets. Higher-quality topsheet and sponge than most budget Chinese rivals with light, easy handling and monthly replacement flexibility suit control-oriented club players and coaches kitting out juniors on budget. Low outright speed, mild tackiness wear, and limited competitive appeal keep RXTON in beginner training category.

Nittaku Fastarc S-1 delivers genuine tensor speed in dramatically lightweight package—typically under 43 grams uncut—making it accessible for intermediate players transitioning from beginner rubbers. Grippy non-tacky topsheet and medium-high throw angle aid loop clearance and blocking, with excellent serve-return stability reducing adjustment period. Spin output noticeably lower than Fastarc G-1, limiting appeal for spin-dependent players. RXTON prioritizes beginner-friendly control and extreme value; Fastarc S-1 prioritizes intermediate progression and lightweight accessibility.

FAQ

Which is better for beginners?

RXTON ideal for complete beginners with high control and low cost.

Which is lighter?

Fastarc S-1 at under 43 grams lighter. RXTON at 64 grams comparable.

Which allows progression?

Fastarc S-1 designed for intermediate progression. RXTON ceiling is beginner level.

How much cheaper is RXTON?

RXTON at fifteen dollars dramatically cheaper than Fastarc S-1 tensor pricing.