Butterfly Glayzer vs Yasaka Rakza Z: Which Should You Buy?

UltraSpin comparison · 2026-06-11 · rubber

Butterfly GlayzerYasaka Rakza Z
Our rating8.2/108.6/10
best_sideForehand or Backhand (all-round offensive)forehand
controlHighhigh
speed81 (manufacturer)medium
spin73 (manufacturer)extreme
sponge_hardness38 degrees (JPN)50 degrees (medium-hard; Extra Hard version around 57 degrees)
typeInverted / High Tension (Spring Sponge X)hybrid tacky tensor
weight_uncut_garound 48g uncut72

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The Butterfly Glayzer (8.2) and Yasaka Rakza Z (8.6) both target offensive players but appeal to different priorities. Glayzer leverages Dignics 05 topsheet technology with a forgiving 38-degree Spring Sponge X, making it versatile across touch and power strokes without blade dependency limits. Its high arc provides net clearance, and consistent short-game performance suits intermediate attackers.

Rakza Z demands more commitment. Its tacky topsheet and harder 50-degree sponge excel on heavy backspin lifts and full-swing loops, delivering exceptional spin with a linear kick. However, the heavier rubber (72g uncut versus Glayzer’s 48g) risks fatigue, especially on carbon blades, and weak performance at less than full power makes it ill-suited to passive or reactive play.

Choose Glayzer for versatility across multiple stroke types and blade setups. Pick Rakza Z if you loop aggressively from the forehand and want maximum tacky spin for serious opponents.

FAQ

Which generates more spin?

Yasaka Rakza Z has extreme spin with its tacky topsheet, while Butterfly Glayzer rates 73 (manufacturer) — still solid but less overwhelming. Rakza Z wins on raw spin potential.

Which is more forgiving?

Butterfly Glayzer is forgiving across the board with its 38-degree sponge and Dignics 05 topsheet; it works on multiple blade types. Rakza Z requires full strokes and good technique to shine.

Which should a backhand player choose?

Glayzer is better for backhand; its description explicitly notes it suits both wings. Rakza Z is forehand-optimized and not ideal for players wanting a linear, bouncier backhand feel.

Which is better value?

Glayzer costs roughly half the price of Dignics 05 while delivering the genuine topsheet technology. Rakza Z offers value versus Dignics 09C but demands active play to justify the cost.