By Padeldex Editorial Team · Published 21 April 2026 · Updated 21 April 2026
Review Summary
The Siux Electra ST4 Pro Stupa (2025) is a teardrop-shaped padel racket with a medium-high balance. Its teardrop profile sits between round and diamond, aiming for a usable blend of power and control that suits a wide range of players.
Expert review scores for this racket are still being aggregated and will appear here once published. In the meantime, its specifications give a clear picture of the profile it is built for.
Under the hood it pairs a 15K Carbon face, a EVA Hard core, Carbon fiber / 15K Carbon construction. At its listed weight with a medium-high balance, it should feel substantial and stable, rewarding a full, committed swing. That makes it a versatile choice for improving players looking for an all-round racket they can grow into.
Performance Signature
No expert reviews yet for this racket.
Strengths
✓Teardrop shape balances power and control
✓Head-heavy balance maximises power on attacking shots
✓Carbon construction delivers durability and a crisp response
✓Fibreglass face offers a softer, more forgiving feel
Trade-offs
✕Head-heavy balance can feel less nimble at the net
The Siux Electra ST4 Pro Stupa (2025) is a teardrop-shaped padel racket with a medium-high balance. Its teardrop profile sits between round and diamond, aiming for a usable blend of power and control that suits a wide range of players.
Expert review scores for this racket are still being aggregated and will appear here once published. In the meantime, its specifications give a clear picture of the profile it is built for.
Under the hood it pairs a 15K Carbon face, a EVA Hard core, Carbon fiber / 15K Carbon construction. At its listed weight with a medium-high balance, it should feel substantial and stable, rewarding a full, committed swing. That makes it a versatile choice for improving players looking for an all-round racket they can grow into.
Strengths
✓Teardrop shape balances power and control
✓Head-heavy balance maximises power on attacking shots
✓Carbon construction delivers durability and a crisp response
✓Fibreglass face offers a softer, more forgiving feel
Trade-offs
✕Head-heavy balance can feel less nimble at the net
