Butterfly Glayzer 09C vs Yasaka Rakza 7 Soft: Which Should You Buy?

UltraSpin comparison · 2026-06-15 · rubber

Butterfly Glayzer 09CYasaka Rakza 7 Soft
Our rating8.3/108.2/10
best_sideBothbackhand or both
control95 arc rating (high)9+ (Yasaka scale)
speed75 (medium)11 (Yasaka scale)
spin87 (high)14+ (Yasaka scale)
sponge_hardness42 degrees JPN (approximately 47-50 degrees ESN)40 degrees (37-42 ESN range)
typeinvertedtensor/inverted
weight_uncut_g68-69g uncut, approximately 47-49g when cutapproximately 42-44g

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Butterfly Glayzer 09C and Yasaka Rakza 7 Soft represent different approaches to inverted rubber performance. Butterfly Glayzer 09C prioritizes control and consistency with exceptional arc and dwell, making it ideal for players developing spin technique without sacrificing forgiveness. Yasaka Rakza 7 Soft emphasizes speed and spin output at a higher level, suited for attacking players who want performance closer to premium tensors. Choose Butterfly Glayzer 09C if you value learning with a high-arc, forgiving rubber; choose Yasaka Rakza 7 Soft if you want more aggressive performance with active play.

FAQ

How do Butterfly Glayzer 09C and Yasaka Rakza 7 Soft differ in speed?

Butterfly Glayzer 09C offers 75 (medium) speed while Yasaka Rakza 7 Soft delivers 11 (Yasaka scale). This affects how much pace you generate and how suitable each is for your playing distance and style.

Which rubber or blade has better control?

Butterfly Glayzer 09C rates at 95 arc rating (high) for control, while Yasaka Rakza 7 Soft rates at 9+ (Yasaka scale). Pick based on whether you prioritize placement precision or accepting slight variance for more speed.

What is the weight difference between these options?

Butterfly Glayzer 09C weighs 68-69g uncut, approximately 47-49g when cut while Yasaka Rakza 7 Soft weighs approximately 42-44g. Lighter options reduce fatigue on long rallies; heavier options provide more stability.

Which is better for beginners?

Yasaka Rakza 7 Soft is the better entry choice with its accessible performance. Butterfly Glayzer 09C is more suitable for players developing advanced techniques.

How do spin ratings compare?

Butterfly Glayzer 09C offers 87 (high) spin while Yasaka Rakza 7 Soft delivers 14+ (Yasaka scale). Higher spin means easier loop generation but more sensitive to incoming spin.