Butterfly Sriver FX vs Yinhe Big Dipper: Which Should You Buy?

UltraSpin comparison · 2026-06-07 · rubber

Butterfly Sriver FXYinhe Big Dipper
Our rating7.8/108.4/10
best_sidebothforehand
controlhighhigh
speedmediummedium (offensive)
spinmedium-highextreme
sponge_hardnesssoft38/39/40 degrees (provincial-style blue sponge; 39 measures roughly 51 ESN)
typehigh-tension inverted (soft)hybrid tacky (blue sponge)
weight_uncut_g6268

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These two sit at opposite ends of effort. The Sriver FX is a soft, forgiving rubber for both wings, easy to use for blocking, chopping and steady play. The Big Dipper is a tacky blue-sponge Chinese rubber for the forehand, delivering exceptional spin on serves, brushed loops and pushes with strong stability and almost no slippage.

If you want a forgiving, low-effort sheet for control or all-round play, the Sriver FX is the pick. If you are a spin-oriented attacker chasing Chinese-style tacky spin on the forehand at a budget price, and you swing fully, the Big Dipper rewards you, with a national version that approaches a boosted Hurricane 3.

The Big Dipper is demanding. It is slow at lower power, its stiff sponge needs break-in and may benefit from boosting, it is weak for flat hitting on softer versions, and it is not beginner friendly. Pair it with a fast blade and active strokes, or stay with the easy Sriver FX.

FAQ

Which has more spin?

The Big Dipper, by a wide margin. Its tacky blue sponge produces extreme spin on serves, loops and pushes, far above the Sriver FX’s medium-high spin.

Is the Big Dipper good for beginners?

No. It is not beginner friendly, it is slow at lower power, and its stiff sponge needs break-in. Beginners are better served by the soft, forgiving Sriver FX.

Does the Big Dipper need a fast blade?

It helps. The Big Dipper rewards full, active strokes and pairs well with a fast blade to overcome its low passive speed, unlike the more universally easy Sriver FX.