Sabfoil Foil Set Blackbird Razor 737 / Mast 75

Sabfoil Foil Set Blackbird Razor

KR737-FCM-325-75/BB – Razor 737-325-75 Blackbird Kit – Modular Backtail

The Ultimate Surf & Carve Machine

Engineered for the critical sections of the wave, this full-carbon modular setup combines the razor-sharp speed of the 737 wing with a loose, flat stabilizer for explosive snaps and surgical carving. Experience granite-like stability in deep bottom turns and the total freedom to break the tail loose. Light, stiff, and hungry for high-speed rail-to-rail action.

Surfing the Edge of Physics: Glider GR737-FCM-325-75/BB

The Art of the Perfect Turn

In the pocket of a powerful wave, there is no room for hesitation. The true surfer seeks that elusive «locked-in» feeling during a bottom turn, followed by the total freedom to snap the tail at the lip. Most high-aspect foils excel at the straight line but fail when it’s time to lean hard. The GR737-FCM-325-75/BB was engineered for the carver—the rider who views every wave as a high-speed canvas for drawing deep, aggressive lines.

Precision in the Pocket

This setup is a tactical strike against drag and instability. By pairing the razor-thin efficiency of the Razor 737 with the SF/325 Flat Stabilizer and the Blackbird 75 Mast made in high modulus carbon and W-core technology, we’ve created a kit that thrives on G-forces. The FC/M Carbon Fuselage acts as the rigid spine of the system, ensuring that the energy from your legs is transferred directly into the water without the dampening effect of traditional materials. It’s light, it’s stiff, and it’s hungry for the rail-to-rail game.

Tech & Feel: Surf, Carve, Repeat

• Razor 737 Leading Edge: Designed with a refined entry profile that «bites» into the water during deep carves, preventing ventilation even when you’re pushing the foil to its structural limits.
• SF/325 Flat Tail «Loose» Feeling: The flat geometry of the stabilizer is the key to radical surfing. It allows you to break the tail loose for snaps and redirects, offering a skatey, playful feel that traditional turned-up stabilizers can’t match.
• FCM Carbon Torsional Stiffness: The full-carbon modular fuselage eliminates any «mushy» feeling. You feel the texture of the wave through your feet, providing the granite-like stability needed to hold a high-speed rail-to-rail transition.
• Explosive Acceleration: The ultra-low drag of the 737 wing means you can outrun the fastest sections and hit the lip with more vertical speed than ever before.
• High-G Recovery: The lift distribution is optimized for the surf, ensuring that after a radical maneuver or a deep cutback, the foil recovers its flight immediately without stalling.

Who It’s Made For

This is the ultimate weapon for the Prone Surf purist and the Carving-addicted Wing Rider. If your goal is to draw the tightest lines, hit the most critical sections of the wave, and experience the raw speed of a professional-grade carbon setup, the GR737-FCM-325/BB is your instrument of choice.