Essentials RDM Alu. Mast Extension Cross Pulley (U-pin) 30
The go-to extension for recreational windsurfers seeking reliable performance with easier downhauling. Designed to make rigging simpler with its effective 6:1 cross pulley system.
The Essentials RDM Aluminium Extension combines durability with smart design features that make a real difference on the beach. The efficient cross pulley system with two pulleys creates a powerful 6:1 ratio, significantly reducing the effort needed to downhaul your sail to the perfect tension.
Built to last with 2mm wall thickness aluminium construction, this extension offers the ideal balance between weight and strength. Available in two range options - 30cm and 45cm - to accommodate different sail sizes and rigging preferences.
Perfect for weekend warriors, recreational sailors, and windsurfing schools looking for dependable equipment that simplifies the rigging process and gets you on the water faster and with less effort.
We build gear to last — and we back it up.
- Year 1 — Unconditional: Full coverage, no questions asked. Any issue, we make it right.
- Year 2 — Conditional: Continued coverage against manufacturing defects.
Hold onto your proof of purchase. If you need us, we're here.
For warranty claims on products purchased from a retailer, please contact the store where you bought the product. They will coordinate with us to resolve any issues under warranty. Find a dealer
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