Butterfly Tenergy 05 FX vs Yasaka Rakza 7: Which Should You Buy?

UltraSpin comparison · 2026-06-11 · rubber

Butterfly Tenergy 05 FXYasaka Rakza 7
Our rating8.4/108.6/10
best_sidebackhandboth
control10high
speed13offensive
spin11.5high
sponge_hardness36 degrees (soft)45–47°
typeInverted / High-Tension tensor (Spring Sponge)tensor inverted
weight_uncut_g6470

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Both are high-spin tensors but at different price points. Tenergy 05 FX (8.4) is soft at 36 degrees, elite Tenergy topsheet, and premium-priced. Rakza 7 (8.6) is rated higher and delivers near-Tenergy spin with exceptional value and durability as a long-time club favorite.

Tenergy 05 FX excels at slow-ball spin, flicks, and forgives off-center contact with outstanding backhand control. Rakza 7 offers huge grip and spin from the natural-rubber topsheet, excellent value and durability, and is versatile on both wings with thickness options to tune speed. However, Rakza 7 has moderate speed around 80 percent of top rubbers, reacts to incoming spin, and needs regular cleaning for longevity.

Choose Tenergy 05 FX for soft, dwell-based backhand control and maximum premium performance. Select Rakza 7 if you want controllable, very spinny tensor with near-Tenergy spin and excellent value on either wing.

FAQ

Why is Rakza 7 rated higher if Tenergy 05 FX costs more?

Rakza 7 rates 8.6 versus Tenergy 05 FX at 8.4. Tenergy price reflects brand, topsheet heritage, and Japanese premium positioning.

Which is better for club-level play?

Rakza 7 is a most-recommended backhand at club level, with exceptional value and durability. Tenergy 05 FX is more premium.

How do thickness options affect performance?

Rakza 7 is offered in 1.8/2.0/max to tune speed versus control. Tenergy 05 FX comes in standard thickness.

Which maintains grip longer?

Tenergy 05 FX is more stable. Rakza 7 reacts to incoming spin and needs regular cleaning for longevity.