Foil Set BALZ PRO 707-663-325/83

The BALZ PRO 707-663-325/83 Foil Set is Balz Müller's signature hydrofoil set, developed with Sabfoil for riders seeking extreme performance in wing foil freestyle, wave, and fast freeride. Designed for explosive acceleration and high speeds, it offers exceptional responsiveness, precision, and control, ideal for advanced aerial maneuvers and smooth, skate-style carving.

The Balz Pro line introduces an increased surface area in the center for smoother take-offs at low speeds and a revised dihedral angle to ensure superior control during consecutive jumps and challenging landings, with great stability even in difficult conditions.

Key Strengths

• Balz Müller's signature Balz Pro set, dedicated to high-performance wing foiling.
• Explosive acceleration and very high top speed.
• Smooth take-offs at relatively low speeds thanks to the increased central surface area.
• Optimized dihedral angle for control and responsiveness in consecutive jumps.
• Soft landings with a "rebound" effect that facilitates recovery and new take-offs.
• Twisted tips for maximum stability in fast waves and choppy conditions.
• Configuration with 707 wing and Flat 325 stabilizer for best control in extreme conditions.

Who is it for?

• Advanced and pro riders seeking a radical foil for powerful freestyle and wave riding.
• Wing foilers looking for speed, extreme maneuverability, and explosive pop.
• Fast freeriders who want a sporty, precise, and direct setup underfoot.
• Those who often sail in strong winds and challenging conditions and want maximum control.

Components included in the kit

• Sabfoil Kraken Mast 83 Balz Müller Limited (BALZ/MK83).
• Balz/W707 front wing.
• Sabfoil Flat 325 stabilizer (SF/325).
• 663 T8/R8 fuselage (F663K).
• Carbon rail plate with titanium inserts (CP02K/Ti).
• Dedicated hardware kits for wing, stabilizer, fuselage, mast, and plate (MH165, MH107, MH138, MH160).
• Spare pins and shims for the Q02K quick-release system (MHQ02).
• Foam pad for plate (MH144).
• Allen keys, Torx keys, and assembly grease (MH137).
• Sabfoil hydrofoil bag size L.

Technical Specifications

Balz Pro W707 Front Wing

• Wingspan: 707 mm.
• Surface Area: 661 cm².
• Volume: 533.5 cm³.
• Aspect Ratio: 7.55.
• Maximum Chord: 137 mm.
• Maximum Profile Thickness: 14.5 mm.

Flat 325 Stabilizer

• Wingspan: 325 mm.
• Surface Area: 151 cm².
• Volume: 61 cm³.
• Aspect Ratio: 7.00.
• Maximum Chord: 59 mm.
• Maximum Profile Thickness: 6.4 mm.

Fuselage, mast, and kit weight

• Fuselage: length 663 mm.
• Mast: height 830 mm.
• Board connection: carbon plate (rail mount).
• Approximate foil kit weight: 3.78 kg.

On-water performance

Usage range and disciplines

• Main discipline: wing foil.
• Balz Pro range: wave, pro freestyle, freestyle, freeride, fast freeride.
• Designed for medium-strong wind conditions and spots with chop and waves.

Speed and control

• Indicative take-off speed: 16 – 18 knots.
• Indicative top speed (80 kg rider): 31 – 33 knots.
• Great stability at high speeds and very precise behavior in direction changes.

Riding sensations

• Direct, twitchy, and super responsive feel, designed for radical maneuvers and aerial freestyle.
• Fast carving, with solid support in turns and immediate response to input.
• Landings effectively caught with surprising rebound to immediately enter the next maneuver.

Advantages of the Balz Pro line

• Increased central surface area: favors easier and smoother take-offs at low speeds.
• New dihedral angle: increases control and responsiveness in multiple jumps and rotations.
• Twisted tips: more stability at speed and greater safety in choppy sea conditions.
• High durability and construction designed to withstand intense sessions and frequent impacts.

Matching recommendations

• Recommended with compact and relatively small wing foil boards suitable for freestyle/wave.
• Ideal with medium-small size wing sails for medium-strong winds.
• Perfect for riders who love smaller sails, high speeds, and a very dynamic style.

Frequently Asked Questions (Q&A)

What type of rider should choose the BALZ PRO 707-663-325/83 Foil Set?

It is the ideal set for advanced or pro riders who want a radical foil for freestyle and wave, with lots of speed and responsiveness. It is less suitable for beginners or those looking for a purely freeride and very easy foil.

How does it compare to larger Balz Pro models (e.g., 805, 905, 965)?

The 707 is the most compact and twitchy size in the Balz Pro range, with less lift but more speed and extreme maneuverability. Larger sizes offer more planing support and ease, while the 707 prioritizes a technical and aggressive riding style.

Is it only suitable for strong winds?

The set performs best in medium-strong winds, where speed and control become crucial. In lighter winds, a good technical level is required to make the most of pumping and take-off.

What extra does the Q02K system offer?

The Q02K quick-release system allows for quick assembly and disassembly of the foil while maintaining precision in connections. This facilitates transport, configuration changes, and maintenance without compromising rigidity and feel.

How does the 663 fuselage affect the foil's behavior?

The 663 fuselage offers a good compromise between stability and maneuverability, with a lively yet controllable feel in turns. It helps maintain speed during maneuvers and ensures a quick response in freestyle and wave riding.

What type of board setup is recommended for this foil?

It pairs best with compact wing foil boards with short length and volume calibrated to the rider's weight. A responsive and light board maximally enhances the freestyle and aggressive nature of the Balz Pro 707 set.