unifiber hd aluminium sdm extension 1 zfins T40M8 x 35 mm

T40M8 x 35 mm

aerodynamic roof rack bag shape that is ideal for traveling by car

which had only been available from the original manufacturers until 2023

which is a key factor in this area (main power of the sail)

Large zipper opening for two main compartments

unifiber hd aluminium sdm extension 1 zfins T40M8 x 35 mmIntroducing the Unifiber HD Aluminum SDM Extension. If your sail requires high downhaul tension, the HD SDM Extension is the right tool for the job. The base itself is made of high quality polyamide to withstand the high tension of the downhaul. With a 3 roller pulley, the Extension reduces the effort you need to trim even a slalom sail. The functional length can be adjusted with one hand using the collar.