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Mauisails Carbon Booms

The state of the art carbon booms

Mauisails Carbon Booms


It's been many years with the graphic unchanged and along the way we have been continuously improving small details. The adjustment clips have gone through a big evolution to prevent the corrosion that affected them (we had to chrome plate the 316SS pins!), and the clip bodies were made stronger as well. 

Small adjustments to the layup and material specs were made for the Race 190-240, and for this year, there is a wide tail slalom version of the Slalom 170-230 (the tail piece retrofits both the Wave 170 and 140). The new grip design is a 'statement' for 2012, and also has less pieces and a slightly harder character to improve durability. 

So the boom is 'new' in a sense, but it is still the same old super strong, stiff, perfectly shaped one you might have known before.

Using moulds developed and owned by MauiSails, and designs with unique bends and diameters, assures that our full range of carbon booms is exclusive to MauiSails in every regard. All plastic parts are designed, developed, and molded to create these special products, the recognized highest standard of carbon booms in the windsurfing industry today. 

Huge steam heated press moulds are the core of the complex process. These state-of-the-art carbon booms are formed using pre-preg carbon fiber to produce the best weight to stiffness possible in composite carbon construction. The tested and proven proprietary frontend is designed to perfectly mate with the 40mm diameter monocoque boom arm. Each boom size is purpose specific, from the Carbon Race 250-310 with large diameter tubes and continuous tail piece with built-in adjustable outhaul pulley system, to the Wave 140 with full length 30mm grip for super hand comfort and control.

Technical features

  • High Stiffness to Weight with double tapered tubes. Race booms are 40mm at the front and back, with 35mm diameter backends, and are the stiffest in the industry.
  • 50 - 60 cm length adjustment covers a large number of sail sizes.
  • Smaller 30mm diameter of the wave booms makes for comfortable grip.
  • Monocoque Construction in Pre-Preg Carbon for maximum stiffness and durability.
  • Efficient energy Transfer with MauiSails designed Front End configured for Formula Race Boom performance and available on all MauiSails booms.
  • MauiSails Front End designed for easy on / easy off function.
  • Boom adjustment clip bodies modified for greater durability and strength.
  • MauiSails Front End features 25% more surface contact (120mm) with mast to reduce stress on mast connection with zero slippage.
  • Included Adjustable Outhaul kits and Wide Tail backend with Race booms and Carbon Slalom 170.
  • Redesigned Double Pin Rear End Clips increase durability, stiffness and torsion rigidity.
  • Molded Precision produces perfect tolerance between the Boom Body and Rear End for smooth and easy adjustment.
  • High Performance grip surface is durable and easy on the hands.
  • THE TEAM tested and approved Boom Arm Curves and Overall Width (Arm to Arm distance) maximizes sail performance.


min length
max length
max width
outside diameter
sail range
Carbon Wave
2.9 - 5.3
3.3 - 6.7
4.8 - 8.5
Carbon Slalom
3 pulley with cleat
5.1 - 8.5
Carbon Race
3 pulley with cleat
6.5 - 9.5
Wide race triple pulley
8.4 - 12.0



Please note that all MauiSails WAVE Carbon Booms comes with RDM boom shim included and all SLALOM and RACE Carbon Booms come with Adjustable Outhaul System included.

MauiSails Boom Front End

A good boom is much more than some carbon tubes

MauiSails Boom Front End


A good boom is much more than some carbon tubes. The key elements of the whole system are also the length adjustment locking parts, and the boom head that attaches to the mast.

The design of boom heads has undergone regular evolution, but much of it is far behind the development of the larger rigs. So the result is that you may have a pretty good set of tubes that may be stiff and strong enough for the larger sail, but they are connected to an older design head that isn?t. This will make you have a wobbly connection regardless of the stiffness of the tubes.

When we conceived and designed the new MauiSails Carbon Race booms, the shortcomings of the available head designs (as well as the good things) were considered. We wanted a unique and durable head to go on these great products.

Using Rapid Prototyping we were able to see the functioning part direct from tooling drawings, in one off versions that only took a week to execute. This let us play with the levers, cleats, and other relationships without having to wait months for tooling to be finished. And we could see potential for failures and correct them as well.

There are potentially thousands of active sailors with carbon booms from many manufacturers who will appreciate the value of this quality upgrade. The MauiSails Boom Head is simple and inexpensive to retrofit and will make almost any set of boom tubes seem like a whole different experience.

buy front end online



Only low pressure required here

The MauiSails boom head and clamping lever is designed to be used with the MINIMUM tension required to keep it from slipping on the mast. DO NOT OVER-TIGHTEN or you will risk damaging the part.

All metal parts are subject to corrosion. To keep your boom and its small metal parts in top shape it is recommended to thoroughly rinse with fresh water after each use, especially the tail clips and pulley assemblies.

Please remember if you are going to use our boom head with RDM mast you will also need a boom shim dedicated for MauiSails Front End.

MauiSails Frontend Parts

MauiSails Frontend Parts

Complete front-end parts

  • 1x 85mm bolt
  • 1x 70mm bolt
  • Frontend lever
  • Main boom frontend body
  • 2x 1mm boom connector shims (fits on a 40mm boom arm)
  • 2x 2.5mm boom connector shims (fits on a 36mm boom arm)
  • 2x plastic o rings spacers
  • 1x mast shim

Boom arm diameter

If your boom arm has a different arm diameter than 36mm or 40mm you can alwasy build up a thickness in front end area.
Please remember if you are going to use our boom head with RDM mast you will also need a boom shim dedicated for MauiSails Front End.

Boom Head Assembly Instractions

MAUISAILS booms parts

A good boom is much more than some carbon tubes

Lock Clip Set Complete

Carbon Boom Lock Clips

This is a replacement external lock clip set (set contains two internal and two external body clips) for the rear end locking system in MauiSails Carbon Boom. There is also an option to order internal or external body clip only which are also sell in set of two. Boom clips are available in two diameters:

  • 27mm diameter dedicated for 130/140/ 170 wave carbon booms and 170 Slalom boom.
  • 40mm diameter dedicated for the 190 slalom boom, 230 and 250 race booms.
Adjustable Outhaul System

Adjustable Outhaul System

Fits on MauiSails boom arms 30 and 40mm outside diameter. The adjustable outhaul kit comes with one piece 4mm adjusting line, two pieces of 5mm tensioning line, two pulleys, plastic ClamCleat bands, two rubber filler pieces, four 8 gauge stainless steel screws, and two coated aluminum ClamCleats.

You will use the rubber spacers if you want your cleat band to be on the bare carbon. There is no need for this when the band is on the grip area.

GUIDE : How to do adjustable outhaul system

Boom Eva Grip

Boom Eva Grip

Replace a grip on your boom and enjoy the ride for another few seasons. Set includes two EVA grips, one for each side of the boom.

Here is a boom regrip VIDEO GUIDE where Phil McGain will take through EVA changing process. Step by step with valuable tips.

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Looking for a deal on a 2015 or 2016 sails. up to 68% off on all 2015 sails and 55% on 2016 models.
We are excited to introduce the full MauiSails range of sails for 2018. Leading the way in performance and quality materials, the 2018 range continues to offer all windsurfers a balanced and magical windsurfing experience.
Phil McGain with his Italian friend Agostino Lalla went for a windsurfing trip between Greek Islands.
An exciting day of racing last weekend at Kanaha beach park for the annual Hawaii State Championships. Winds had kicked in early and by the time racing started around 11.30am conditions were the best there was all year.
Couple of words from Tamara Bockius after winning third event of Maui Race Series that took place at Kanaha Beach Park on July 22nd.

2018 mauisails sail range


Side-shore wave

Ghost cs

technora wave 


4-batten wave

loco pro





no-cam freeride

titan gsx

2-3 cam freerace

team race


MauiSails Hawaii Est.1978