SX4 Boom 140 - 190


  • Artnr: 03-00033

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The SX4 is our entry level boom. If you are starting out your windsurf journey, this is the boom for you. It features a super stable quick lock front which works on both SDM and RDM masts. A thin grip so even riders with smaller hands can get a sturdy grip. As on our other booms the SX4 has the double pin lock system which gives a very stiff connection between the boom body and tail end, even when maximally extended. The generous tail extension will cover most of sail sizes you need to get going. 

The SX4 series is all about getting out on the water and enjoying. 


size extension diameter tube inner width kg lock
140-190 50 cm 27 mm Non Tapered 38 cm 2.6 kg Double Pin
160-210 50 cm 27 mm Non Tapered 42 cm 2.9 kg Double Pin
180-230 50 cm 27 mm Non Tapered 49 cm 3.1 kg Double Pin


The outline and width of the tail are crucial for the rig to deliver the right balance between power and control. The outline on the 140 and 160 booms are designed specifically bump n'jump sailing where you want to be closer to the rig for control. The 180 booms has a wider outline to get momentum on the rig to go really fast. A wider tail generates more power and a more narrow tail piece more control. This position varies with the wind strength and windsurfing discipline, therefor each boom size have been developed individually.


The boom head is designed for maximum grip to the mast. With a high friction contact surface against the mast, the boom will stay in place even during hard landings. A robust rope hook for superb stability and a boom lever that allows you to effortless apply tension when securing the boom to its correct position


All SX4 booms include a integrated shim for RDM masts for secure fit on both RDM and SDM masts.


For presice load distrubtion the SX boom series all feature the double pin lock system for a stiff connection between the boom body and tail end, even when maximally extended.

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