Essentials RDM V2 Aluminium Mast Extension (U-Pin) 45
Essentials RDM V2 Aluminium Mast Extension (U-Pin)
Built for ease, priced for access – the extension that gets everyone windsurfing, faster.
Confidence starts at the rig
The Unifiber Essentials RDM V2 Aluminium Extension (U-Pin) is your go-to for smoother starts and no-fuss sailing. Whether you’re teaching, learning, or just out for a weekend blast, this extension simplifies the setup process so you can spend more time on the water and less time rigging.
Rigging made intuitive
A reinforced nylon base, oversized pulleys, and smart cleat positioning combine for an ultra-friendly rigging experience. The 3-roll pulley system dramatically reduces the force required for downhauling, even for lighter riders or younger sailors.
- 3-roll pulley system: Less effort, smoother tensioning
- Comfortable flat base: Rig barefoot, no problem
- Quick-release cleat: Downhaul control with a single pull
- Reinforced build: Stands up to regular school and recreational use
- Lightweight aluminium construction: Keeps your setup responsive
Made for learning, built to last
This is the perfect extension for entry-level to intermediate windsurfers and is durable enough for windsurf schools, clubs, and rentals. Available in both 30 cm and 45 cm options to suit a range of sail sizes and conditions.
- Forgiving and practical: No learning curve required
- Durable and dependable: Handles the wear of frequent use
- SDM option available: For larger rigs and learners using standard diameter masts
Technical specifications
| Model | Downhaul System | Range Settings | Weight |
|---|---|---|---|
| Essentials RDM V2 Aluminium Extension (U-Pin) 30 | 3-roll pulley | 4 – 30 cm | Approx. 0.619 kg |
| Essentials RDM V2 Aluminium Extension (U-Pin) 45 | 3-roll pulley | 4 – 45 cm | Approx. 0.718 kg |
Key advantages
- Beginner-optimized design with no-fuss features
- School- and rental-grade durability
- Easier downhauling for all skill levels
- Compatible with Reduced Diameter Masts (RDM)
- Also available in SDM version for larger sail setups
Considerations
Not suitable for high-performance or race sails. Tailored for everyday windsurfing and beginner-friendly environments
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
