Patrik Carbon M-Curve Boom





Superlight and stiff manouvre oriented carbon boom handmade as a one-piece monocoque carbon construction.

  • 160 - 220cm length, modern 43cm wide M-Curve diameter
  • Best compromise between handling and power transfer on bigger sails
  • Super-smooth EVA grip to give you the longest sessions without blisters on your hands.
  • 27mm round diametre for increased stiffness and a direct but relaxed and less tiring hold.
  • New harness line position indicator system for easy memory and quick adjustments.
  • Most direct feel due to the use of high quality carbon fibres and our redesigned backend.
  • Double-Pin Clips for superiour strength and backend stiffness.
  • Printed cm-scale on the backend for convenient adjustment of the boom.
  • Outhaul rope loop feature for quick and easy rigging.
  • Lightweight shockpads to protect the boom backend against wear.
  • Detachable click-in RDM adapter.

If you don't want to compromise on performance and quality the search for your new boom is over with the new PATRIK Carbon M-Curve Boom.


LENGTH (cm) Max. width (cm) Diameter (mm)* Weight (g)** Backend   Construction  ‌ RDM adapter
160 – 220 M-Curve 43 RD-Grip 27 2289 INTernal Monocoque carbon


*Boom diameter measured without EVA grip. **Production weight tolerances +-4%.


Choose your boom curve first as the curve and outline of a boom are so much more important than you think.
The narrow and new-school S-Curve gives you a direct feeling and most control for wave sails and any small freeride and freestyle sails. 
When the sails get bigger a wider M-Curve is needed as being too close to the sail will reduce control and power transfer and simply feel weird. 
Sailing powered up on wider boards requires an outside and down body position while keeping the sail upright with the even wider L-Curve.
The XL-Curve gives you a comfortable sailiing position on wider boards and the best control in foiling and slalom racing.
Our Micro Boom on the other hand is purely adapted to the needs and ergonomics of kids and the smallest and lightest riders out there.

Of course your boom length needs to match your sail sizes, but the boom outline is what makes the real difference on the water.
So... shhhht - Don't tell anyone if you wanna be faster than your friends!

Choose our monocoque carbon booms for maximum stiffness and performance.
Advanced and powerful riders will benefit from the improved performance of carbon over aluminium the most.
Smaller and lighter riders will simply love our carbon booms because they are lightweight and thin.

Our aluminum booms offer the best price-performance ratio and are the first choice for surf schools, beginners, intermediates and lighter riders.

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About Us

Shaping with more than 25 years of technical expertise, Patrik Diethelm is far more than just another name in windsurfing. From his humble beginnings as a shop customer himself to a high-profile F2 brand employee and PWA professional, his move to founding the brand PATRIK together with Karin Jaggi in 2010 was simply a natural progression. Today we create windsurfing boards and sails, rig components, foils and fins and some of the most advanced wings and boards in the industry. In windsurfing we find our roots. Windsurfing is still driving us. Winging, surf foiling and any other windsports are what we came to love more and more over the years.
Join the PATRIK family now!