The 4 mm trimming line is a basic component of any windsurfing setup. It is used to adjust sail tension in mast extensions and boom trimming systems.
The 4 mm diameter delivers a good compromise between strength and smooth performance in pulleys and rollers. It runs freely without jamming and enables precise sail tensioning during setup and later adjustments.
The 5 m version offers extra length and works well with more complex pulley systems, longer mast extensions, or if you want one versatile trimming line for multiple setups.
Features
- Length - 5 m
- Diameter - 4 mm
- Application - Trimming line for mast extensions and booms
- Available lengths - 2 m / 5 m / 10 m
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