STX C40 RDM Árbóc 2026

The correct mast is all too often overlooked when choosing gear.

At the outset, there are a few great features that all STX mast models share. An XCORE Wrap on the base of all our masts prevents long term wear and scratches. Another big plus is the STX Boom Height indicator.

Size     IMCS     Weight
370     17     2300
400     19     2500
430     21     2650
460     25     2800

Several core factors can affect a mast’s overall performance. Even if it’s paired with the best sail
money can buy, this piece of gear should match your specific riding style and expectations.

The STX C40 RDM is the best value for money we can think of. Weight and relfex speed at its best for the freeride windsurfer.