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Oversized arm holes
but the Mantis may be just that
The ultra thin 14mm profile impressivley lowers drag while maintaining maximum stiffness
surprising performance
Cabrinha 2026 Carbon Mast Surf Oversized arm holesThe UNION mast is a high modulus carbon mast offering incredible stiffness with low drag. It also offers incredible advances when deflection tested against previous generations of mast. The new UNION connection reduces the fuselage cross sectional area by 15%. This new outline is far more streamlined and efficient. The mast is available in 2 sizes, each size is tailored for a specific riding style: 78cm for prone and downwind purists 84cm for all