Nittaku Fastarc C-1 vs Yasaka Rakza 7: Which Should You Buy?

UltraSpin comparison · 2026-06-10 · rubber

Nittaku Fastarc C-1Yasaka Rakza 7
Our rating8.4/108.6/10
best_sidebackhand or allroundboth
controlhighhigh
speed15.25 (Nittaku scale)offensive
spin12.25 (Nittaku scale)high
sponge_hardness45 degrees45–47°
typeinverted / tensortensor inverted
weight_uncut_gapprox 47 g (157 x 150 mm sheet)70

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Choose Fastarc C-1 if you want a higher arc, more safety margin, and effortless blocks—it prioritizes consistency and passive play comfort. Choose Rakza 7 (8.6 rating) if spin and aggressive looping are your game; it sits between traditional control and modern tensors, offering near-Tenergy 05 grip without the catapult sensation that catches beginners off guard.

Rakza 7 is the smarter choice for loops and topspin exchanges because its natural-rubber topsheet grips harder and forgives incoming spin well. Fastarc C-1 competes on a higher arc that makes opening loops safer. Both are excellent value against premium Japanese tensors, but Rakza 7 edges forward for pure spin output while Fastarc C-1 wins on consistency and feel.

FAQ

Which is more suitable for intermediate players?

Rakza 7 is described as the best club-level backhand rubber, making it ideal for developing attackers. Fastarc C-1 is equally strong for intermediates but shines more on the forehand or allround.

Can I use Rakza 7 in max thickness without it feeling too fast?

Max thickness can feel overpowering for touch, so many prefer 1.8 or 2.0 for control. Fastarc C-1 in standard thickness is more balanced for both speed and control from the outset.

Which needs more maintenance?

Rakza 7 reacts to incoming spin and needs regular cleaning to maintain performance. Fastarc C-1 is more forgiving on that front and requires less active maintenance.

How fast are they really?

Both offer medium-to-high speed by club standards. Rakza 7 is moderate (around 80 percent of top rubbers), while Fastarc C-1 is slightly faster, though neither reaches premium Japanese tensor speeds.