HD RDM Carbon Mast Extension (U-Pin) 45
HD RDM Carbon Mast Extension (U-Pin)
Ultra-light. Rock-solid. Built to perform.
Dial in your rig with precision and feel the power flow. The Unifiber HD RDM Carbon Mast Extension brings effortless tuning and rugged performance together in a lightweight carbon build that serious windsurfers rely on—day in, day out.
Whether you’re chasing cleaner lines or chasing the wind, this extension delivers stiffness where it counts, helping you transfer every ounce of energy straight to your board. It’s fast, tough, and intuitive.
Why riders love it
- Lightning-fast rigging with U-Pin simplicity
- Lightweight carbon construction means less swing weight
- Superior stiffness boosts response and acceleration
- Reinforced base built to take a beating
- Corrosion-resistant hardware for season-after-season use
Whether you’re racing or just riding hard, this extension delivers the control and confidence to go full send.
Less rig hassle. More water time. Go HD.
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
