Head Bolt Bk/Pr vs Siux Electra ST5 Pro Shadow Red 2026 Franco Stupaczuk
Head-to-head on PRR scores, specs, and live prices — independently tested with the same methodology. Updated daily.
Siux Electra ST5 Pro Shadow Red 2026 Franco Stupaczuk wins by 21 points
Siux Electra ST5 Pro Shadow Red 2026 Franco Stupaczuk scores 91/100 against 70/100 for the Head Bolt Bk/Pr. Its biggest edge is power (+19). The Head Bolt Bk/Pr answers back on sweet spot (+3). On price, the Head Bolt Bk/Pr is currently €102 cheaper.
“The Head Bolt BK/PR 2025 is a mid-range round-to-teardrop hybrid that leans toward accessible power with a relatively forgiving sweet spot for its category. The foam core delivers a punchy, lively response on drives and smashes, though advanced players will notice a lack of the nuanced feedback needed for precise placement at net. Recreational improvers and intermediate players transitioning from tennis who want an easy-to-swing Head racket with decent pop will find it a solid entry point, though serious competitors should look higher in Head's range.”
“Franco Stupaczuk's Shadow Red ST5 is built to attack: power 90 with control 78 is a proper first-strike profile, and the confirmed even balance at 365 g explains why it feels quicker between shots than its hitting power implies. Blocks and counters stay manageable, then the same frame turns a short lob into a finished point. The firm side is unavoidable: comfort 67 and tolerance 66 mean mishits are felt and punished. Beyond balance and weight, full spec for this colourway is unconfirmed, so try before you buy. For aggressive all-court players it is a convincing signature frame.”
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