F-One Eagle HM Carbon Front Wing

The F-One Eagle HM Carbon Front Wing is a high-aspect-ratio foil wing built for downwind ocean surfing, carving, and extended glide. Part of F-One's Eagle line, it uses a High Modulus (HM) pre-preg carbon construction that the brand states is 1.5 times stiffer than standard carbon fiber. Each wing is manufactured as a monobloc unit — the front wing and fuselage are molded together in a single piece — which contributes to structural rigidity and a direct connection between rider input and foil response. The Eagle HM Carbon spans seven sizes from 690 cm² to 1290 cm², covering a wide range of rider weights and wind conditions.

F-One designed the Eagle profile to be notably thin with upturned winglets at the tips, a combination that reduces induced drag and supports efficient, low-drag glide. The wing interfaces with masts through F-One's Titan 2 connection system, which uses two M8 screws and a reinforced junction between the mast and foil assembly.

• Construction: High Modulus pre-preg carbon, monobloc molding
• Connection: Titan 2 (2× M8 screws)
• Available sizes: 690, 790, 890, 990, 1090, 1190, 1290 cm²
• Span range: 82 cm (690) – 110.5 cm (1290)
• Aspect ratio: 9.4–9.7 (varies by size; most sizes sit at 9.5)
• Weight: 0.98 kg (690) – 1.68 kg (1290)
• Recommended stabilizers: F-One Carving Monobloc tails (138 XS – 198 XXS, size-dependent)

The Eagle HM Carbon is oriented toward intermediate-to-advanced foilers who prioritize glide efficiency, carving ability, and downwind performance. Its thin profile and high aspect ratio reward riders who are already comfortable on foil and looking for a setup that carries speed through turns and covers ground between swells. The larger sizes (1090–1290 cm²) offer more lift at lower speeds, suiting heavier riders or lighter wind days, while the smaller sizes (690–890 cm²) are geared toward experienced riders seeking reduced drag and higher top-end speed in stronger conditions.

Because the wing's narrow chord demands solid foiling fundamentals — particularly during takeoff and low-speed maneuvering — it is not typically a first foil wing for someone new to the sport. Riders progressing from wider, lower-aspect wings will find the Eagle rewards precise weight shifts with long, stable glides and responsive carving arcs.

Within F-One's foil range, the Eagle HM Carbon sits between the brand's standard carbon offerings and the top-tier Eagle X UHM Carbon. The Eagle X uses Ultra High Modulus carbon fiber — stated by F-One to be 1.2 times stiffer than HM carbon — and features an even thinner profile aimed at competitive downwind racing. The HM version offers much of the same planform and design philosophy at a lower price point, making it a practical choice for committed recreational riders who want high-aspect performance without stepping up to the UHM tier.

For buyers comparing across brands, the Eagle HM Carbon competes in the high-aspect downwind foil category alongside wings like the Axis ART series and the Armstrong HA series. Its seven-size spread is broader than many competitors, giving riders more granularity when dialing in surface area to match their weight and typical conditions.