Siux Electra Stupa Pro ST4

The Siux Electra Stupa Pro ST4 is built for experienced players who want a racket that covers the full court without sacrificing punch. At 400g with a medium balance and teardrop shape, it sits in a sweet spot between the raw power of a diamond frame and the control of a round. If you already have solid technique and want a racket that rewards clean hitting from any position, this one is worth a close look.

The hard foam core gives the frame a firm, direct feel at contact. You get good feedback on every shot, which experienced players tend to prefer. The teardrop shape pushes the sweet spot slightly higher than a round racket, giving you more pop on volleys and smashes without making the racket unforgiving on off-centre hits. At 400g it is on the heavier side, so your arm and shoulder need to be in good condition. The medium balance keeps it from feeling head-heavy, which helps with quick exchanges at the net.

This is a pro-level racket and it plays like one. If you are still developing your technique or coming back from an injury, the weight and hard core will work against you rather than for you. Beginners and intermediate players will find a softer, lighter option more useful. For advanced all-round players who want one racket that handles both defence and attack, the ST4 is a strong choice.

Frequently asked questions

Is this racket suitable for beginners?

No. The hard core and 400g weight demand consistent technique. Beginners will struggle to control it and risk arm fatigue.

What kind of player is the teardrop shape best for?

Teardrop shapes suit all-round players who want a balance of control and power. The sweet spot is larger than a diamond but the frame still generates good pace on attacking shots.

Will the 400g weight cause arm problems?

It can if you are not used to heavier rackets or if you have a history of elbow issues. Build up gradually and make sure your technique is sound before committing to this weight.

How does the medium balance affect play?

A medium balance means the weight is distributed evenly through the frame. This makes the racket more manoeuvrable than a head-heavy diamond, while still giving you enough mass behind the ball for powerful shots.