Yasaka Rakza Z vs Yinhe Mercury II: Which Should You Buy?

UltraSpin comparison · 2026-06-07 · rubber

Yasaka Rakza ZYinhe Mercury II
Our rating8.6/108.2/10
best_sideforehandboth
controlhighvery high
speedmediummedium
spinextremehigh
sponge_hardness50 degrees (medium-hard; Extra Hard version around 57 degrees)medium to medium-soft (36-38 degrees Chinese scale)
typehybrid tacky tensortacky inverted (budget Chinese)
weight_uncut_g7260

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These two share a tacky topsheet but target very different players. Rakza Z is a hard hybrid tensor built for forehand loopers who want extreme spin and a strong linear kick on full swings. Mercury II is a budget Chinese rubber that leans on very high control and an elastic, forgiving sponge.

Choose Rakza Z if you are a proactive forehand attacker who commits to every stroke and wants to pressure opponents with heavy spin and placement. It is the more powerful weapon, but it is heavy, needs a closed blade angle, and goes flat when you cannot swing fully.

Choose Mercury II if you want easy control, tacky spin and great value, whether for a first custom racket, all-round play or chopping. It works on both wings and is far lighter, but it is slower and its medium throw keeps the ball low. In short, Rakza Z is the committed attacker’s rubber, Mercury II is the controllable budget pick.

FAQ

Which is easier to control?

Mercury II. It offers very high control and a forgiving sponge suited to beginners and defenders, while Rakza Z is hard, heavy and demands a full swing to perform.

Which gives more spin on the forehand?

Rakza Z. Its extreme, low-slip spin and linear kick outclass Mercury II when you swing fully, though Mercury II still produces high tacky spin for its price.

Which is lighter on the racket?

Mercury II by a wide margin. Rakza Z is a heavy rubber that can cause arm or wrist fatigue, especially on carbon blades.