Our Adjustable Downhaul System allows you to conveniently trim your sail during racing or training. We build them using 3 Harken blocks and Marlow ropes to ensure that your lines run smoothly and efficiently.
Adjustable downhaul system for Bic Techno, Raceboard and IQFoil? This is exactly what you are looking for. Useful videos will show you how to assemle and mount the downhaul on your sail
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