The BALZ PRO Vento 909-903-370/83 Foil Set is Balz Müller's signature hydrofoil set developed with Sabfoil for high-performance wind foiling. It is designed to offer explosive acceleration, high speed, and exceptional responsiveness, ideal for funboarding sessions with advanced aerial maneuvers, freestyle, and smooth, skate-style carving.
The Balz Pro Vento line maintains the structure and behavior of the Balz Pro wings dedicated to wing foiling, adapting them to wind foiling with a longer fuselage and a Deep Tuttle connection, ensuring smooth take-offs, total control, and great stability even in challenging conditions.
Key Strengths
- Balz Müller's signature Balz Pro Vento set dedicated to high-performance wind foiling.
- Explosive acceleration and high top speed for sporty and aggressive riding.
- Smooth take-off at low speed thanks to the increased central surface of the 909 wing.
- Redefined dihedral angle for unprecedented control and responsiveness in multiple jumps.
- Landings caught with a "rebound" effect that facilitates entry into the next maneuver.
- Twisted tips for excellent stability on fast waves and in choppy or gusty conditions.
- Configuration with 909 wing and Flat 370 stabilizer designed for wind foiling in medium-low conditions.
- Dedicated bag and Q02K titanium quick-release system included.
Who is it for?
- Intermediate-advanced and pro riders who practice wind foil wave/freestyle/fast freeride.
- Windsurfers who want a specific setup for Balz style, jumps, rotations, and radical carving.
- Those looking for a high-performance yet versatile and relatively accessible foil compared to smaller Balz Pro sizes.
- Riders who often sail in medium-low/medium winds and want to maximize airtime.
Components included in the kit
- Sabfoil Kraken Mast 83 Balz Müller Limited (BALZ/MK83).
- Sabfoil 909 Balz Müller Limited front wing (BALZ/W909).
- Sabfoil Flat 370 stabilizer (SF/370).
- Fuselage 903 T8/R8 (F903K).
- Sabfoil Deep Tuttle KMS (T04K).
- Hardware kit WMP669/WMP769/WMP869 (MH165).
- Stabilizer hardware kit S330Y/S370/S376/S399/S400/SRD339/SRD379 (MH107).
- Fuselage hardware kit F663K/F703K/F753K/F903K/F1003K (MH138).
- Allen keys, Torx keys, and grease (MH137).
- Tuttle KMS shims (MH150).
- Negative shims for stabilizers (MHW060).
- Sabfoil hydrofoil bag size L (MA008).
- Spare pins and shims for Q02K system (MHQ02).
Technical Specifications
Balz Pro 909 Front Wing
- Wingspan: 909 mm.
- Surface area: 1000 cm².
- Volume: 874.4 cm³.
- Aspect Ratio: 8.26.
- Maximum chord: 161 mm.
- Maximum profile thickness: 17 mm.
Flat 370 Stabilizer
- Wingspan: 370 mm.
- Surface area: 195 cm².
- Volume: 85 cm³.
- Aspect Ratio: 7.00.
- Maximum chord: 67.5 mm.
- Maximum profile thickness: 7.3 mm.
Fuselage, mast, and kit weight
- Fuselage: length 903 mm.
- Mast: height 830 mm.
- Board connection: Deep Tuttle KMS with carbon plate.
- Approximate foil kit weight: approximately 4.49 kg.
On-water Performance
Usage range and disciplines
- Main discipline: wind foiling.
- Balz Pro range: wave, pro freestyle, freestyle, freeride, fast freeride.
- Particularly suitable for medium-low/medium wind conditions and choppy or wavy seas.
Speed and control
- Indicative take-off speed: 10 – 12 knots.
- Indicative top speed (80 kg rider): 25 – 27 knots.
- Excellent balance between lift, maximum speed, and control in maneuvers.
Riding sensations
- Direct yet "full" and supported feel, with great ease in maintaining height.
- Smooth and progressive carving, with plenty of grip and stability in powerful turns.
- Landings caught with effective rebound that helps immediately enter the next maneuver.
Advantages of the Balz Pro Vento line
- Increased central surface area to facilitate take-off and planing at lower speeds in wind foiling.
- New dihedral angle for superior control in multiple jumps and rotations with a windsurf sail.
- Twisted tips that make the behavior more progressive and stable in critical conditions.
- High durability, with construction designed for intense sessions, jumps, and frequent impacts.
Combination recommendations
- Recommended with freeride/freestyle wind foil boards with reinforced Deep Tuttle box.
- Ideal with medium-sized wind foil sails in medium-low/medium wind.
- Perfect as a single setup for wave, freestyle, and fast freeride in a wide range of conditions.
Frequently Asked Questions (Q&A)
What type of rider should choose the BALZ PRO Vento 909-903-370/83 Foil Set?
It is the ideal set for intermediate-advanced and pro riders who want to take their wind foiling to the next level, with a high-performance yet manageable foil. It is not intended as a first entry-level foil, but it rewards those who already have a good foundation in wind foiling.
How does it compare to the Balz Pro 909 for wing foiling?
It shares the 909 wing and 370 stabilizer but uses a longer fuselage and Deep Tuttle connection to adapt to the specific needs of wind foiling. The result is greater longitudinal stability and an optimized feel for windsurf foil boards.
Is it only suitable for strong winds?
No, the set is designed to perform best in medium-low/medium wind conditions, thanks to early take-off and good lift. It remains stable and controllable even when the wind picks up.
What advantages does the Q02K quick-release system offer?
The Q02K system allows for quick assembly and disassembly of the foil while maintaining rigid and precise couplings. It is ideal for those who travel, often change their setup, or want to reduce assembly time without losing performance.
How does the 903 fuselage affect the foil's behavior?
The 903 fuselage offers greater longitudinal stability and better balance with the windsurf sail, while still maintaining good maneuverability. It helps maintain speed while riding and provides extra support in jumps and touchdowns.
What type of board is recommended with this foil?
It pairs best with wind foil specific boards with a reinforced Deep Tuttle KMS box, freeride/freestyle shape, and volume appropriate for the rider's weight. A compact and responsive board enhances the playful and radical nature of the Balz Pro Vento line.
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ZZZSURF Shipping and Delivery
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Shipping Times
- Italy: Standard delivery in 24/48 business hours from shipment for most items in stock.
- Europe: delivery in 2-5 business days depending on the country of destination.
- For islands, remote areas or bulky items (boards, SUPs, foils, rigs, masts and booms) delivery time may vary by 1-2 business days.
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