JOOLA Dynaryz ZGR vs Nittaku Fastarc C-1: Which Should You Buy?

UltraSpin comparison · 2026-06-10 · rubber

JOOLA Dynaryz ZGRNittaku Fastarc C-1
Our rating8.3/108.4/10
best_sideforehandbackhand or allround
controlMedium-Highhigh
speedExtreme15.25 (Nittaku scale)
spinExtreme12.25 (Nittaku scale)
sponge_hardness57.5 degrees Shore C (hard)45 degrees
typehybrid tacky tensor (pimples-in)inverted / tensor
weight_uncut_gapprox 56g (cut to 157x150mm)approx 47 g (157 x 150 mm sheet)

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ZGR (8.3) and Fastarc C-1 (8.4) occupy adjacent tiers: both are advanced tensors, but Fastarc C-1 is noticeably more forgiving and accessible. ZGR is hard (57.5 degrees) and tacky-hybrid, rewarding mid-to-long-distance power loopers with extreme spin and control but demanding committed technique and arm power. Fastarc C-1 is softer (45 degrees), shares the G-1 topsheet grip, and excels at opening loops with high arc and dwell time, offering excellent safety margin and consistency. ZGR is more versatile across gears (touch to power); Fastarc C-1 is especially strong on loops and blocks. Durability favors Fastarc C-1 with Tenergy-class longevity. Pick ZGR if you are an advanced attacker prioritizing spin and mid-distance striking; pick Fastarc C-1 if you loop heavily, prefer a high arc on opening moves, and want premium performance with lower learning curve.

FAQ

Which is better for opening loops against backspin?

Fastarc C-1 is specifically designed for opening loops with a high arc, outstanding dwell time, and forgiving feel. ZGR loops well but with a lower arc and higher learning curve. Fastarc C-1 wins for loop consistency and safety.

Which lasts longer in regular play?

Fastarc C-1 has Tenergy-class durability—grip holds well over months. ZGR’s tacky feel fades after roughly two months under heavy use. Fastarc C-1 is significantly more durable and better value.

How different is the control?

Fastarc C-1 (high control) is more forgiving and consistent for touch play, blocking, and short game. ZGR (medium-high control) offers better multi-gear performance but demands clean technique or produces errors. Fastarc C-1 is easier overall.

Can intermediate players use either?

Fastarc C-1 is ideal for intermediate-to-advanced players. ZGR is too hard; only advanced players with proper technique will unlock its potential without arm fatigue.