Seventy RDM
Performance for Everyone
70% Carbon – Performance for Everyone
Our new 70% carbon mast delivers high-end performance with accessible durability. It’s lighter and faster than many higher-carbon alternatives, offering a responsive, lively feel that brings out the full potential of any sail. Whether you’re progressing, rigging daily, or pushing your gear in real conditions, this mast meets you there.
Not All Masts Are Created Equal
On paper, many masts might share similar specs—constant curve, matching IMCS, bend percentages, or comparable weights. But true performance goes far beyond the numbers.
What sets Goya masts apart is consistency—from premium materials to precision engineering. We use only Toray prepreg carbon fiber, the global benchmark in composite performance. Unlike many prepregs made in-house without environmental controls, Toray’s prepreg is cured under precisely regulated temperature and pressure, with exact fiber-to-resin ratios. The result is Direct Drive—a fast, clean reflex that loads and releases with exceptional control. Because performance isn’t just about how a mast bends—it’s about how quickly it recovers, delivering what we call true IMCS.
Interchangeability Built In
Goya masts are designed for real-world versatility. Tops and bottoms are fully interchangeable—not just within the same size, but across sizes. Need a shorter top for a smaller sail, or a longer bottom for more low-end power? Just swap the section. You can also fine-tune bend characteristics, reflex, and overall weight by mixing different carbon content models. A truly customizable system—tailored to how and where you sail.
Built for Real Conditions
Most masts perform well in a controlled lab. But real conditions—surf, chop, gusts, and wipeouts—bring twisting and diagonal forces that reveal the difference. That’s where Diagonal Flex™ comes in.
This engineered flex pattern allows the mast to bend deeply and twist dynamically under pressure, staying lively and in control even in the most critical situations. Developed in synergy with Goya sail design and materials, it’s the foundation of the Seventy power and precision.
From gear that stays rigged all season at centers to the world’s most demanding wave spots, Goya masts are tested to the limit. They’ve earned a reputation for performance and reliability, with one of the lowest breakage rates in the industry, and the trust of one of the largest teams in the world.
Experience the Difference
Every detail is considered—from the peel ply boom grip to precision ferrules that prevent sand lock. Backed by over 30 years of design expertise and testing across the globe, this is a mast built to perform—and built to last.
It may just be the last mast you’ll ever need.
Available in 310, 340, 370, 400, 430, 460, 490 centimeters.
Peel Ply anti-slip boom area prevents sliding.
Built with same length sections for easy handling.
Comes in a tailored, padded mast bag—cut to length—for keeping your quiver organized and protected.
Interchangeability:
Ultra Pro, Hundred Pro, Eighty Pro, Seventy, Fifty are interchangeable with each other, in all lengths and carbon contents, with RDM only.
Ninety Pro is interchangeable within itself, regardless of length.
The previous Seventy RDM is not interchangeable with the new Seventy RDM.
The space below is yours to share your thoughts. Find existing reviews below. Asterisks denote required fields.
Hola Francisco espero estes bien,
te paso las fotos de los mástiles a ver si los puedo combinar... ¿se puede usar la base del 430 y el top del 370?
y te paso fotos de la vela 5 mts que pide mastil 4 mts..
al armar con el mastil de 430 queda mal,,, imposible sobra demasiado.
al armar con el mástil de 370 queda bien pero usa mucho prolongador 44 cm me parece mucho por eso si puedo combinar los mástiles sería fantastico. porque me quedaría un mástil de 4mts
saludos
Hi Francisco,
Thanks for getting back at me... so after a summer with a extreme lack of wind , hereby a picture of the guru with the suggested adjustments...sail felt good on the water... although it is quite hard to downhaul to proper loose leech.. I have extenden my Goya quiver with a Goya One 105 2015 model... For sofar i can judge ( because of lack of wind) i\'m impressed; smooth and easy on the knees on horrible choppy water... What is the recommended sailrange? ( i\'m 93 kgs). Unfortunatly i lost one of the screws of the sidefins, where could i get a new one ( and spare one)? About the boom, it has a build in suspension system...but i havent had the chance to try it out yet... really curious myself too, but because it\'s older and secondhand i don\'t want to use it on sea.. only on lakes... maybe with the autumnstorms... Thanks again for your impeccable customer support! Much appreciated..
Regards, Alwin.
Hi Alvin,
Loose leech at the top
From what I can see in your picture, you have one of the older, stiffer top/masts from another brand; this might not be the best mast for you, especially with 93kg. Having a stiffer top makes it difficult to achieve a loose leech and maximum forward drive as the looseness of the leech moves down to the middle of the sail. The bottom battens should have more shape and be closer to the mast if the bottom section is stiffer. Being this a 400 mast, it is clear that you need to start planning to do an upgrade when possible. It doesn’t need to be a new mast, but at least one that has more of a flex top bend.
The trick to make a mast like this(stiff top) work is to use minimal outhaul, just .5cm positive, and the right downhaul, not too much or too little. Having too much will make the sail gutless, and having too little will fold the sail inside out. You know that feeling when the sail breaks in the middle and the wind just flushes the sail but without the forward drive? Yes, the sail doesn’t have much range, but I prefer this over having a sail that is damped. Yes, not much range on stiff top masts.
Side fins screw.
This would be a mini Tuttle screw, right?
Range of the ONE 105 for 93 KG.
I would say that you can ride it up to 5.3 comfortably. Holland has strong currents/shorebreak ,and I ride more volume when sailing under these conditions.
On side-shore or places without strong currents/shorebreak, you could comfortably go up to 5.5 or 5.7.
I hope that I was able to answer your questions.
You might also consider not having side fins to maximize the low end of this board. Just get side covers. This reduces the drag and lets you release into a plane much quicker.
Very please with these! I was surprised by how light they were and worked really well with the smaller rigs.
The smallest masts are often disappointing in range since they are often just a ‘sawn off’ version of the larger size but these are excellent!
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