Mast Extension Heavy Duty SDM U-Pin 30cm Unifiber SC000100120

Mast Extension Heavy Duty SDM U-Pin 30cm Unifiber SC000100120

Description:

The Unifiber Mast Extension Heavy Duty SDM U-Pin 30cm is a robust, lightweight extension designed to give windsurfers precise sail tuning and reliable attachment between mast and boom. It combines a high-strength polyamide base with a lightweight aluminum tube to deliver excellent strength-to-weight performance and long-term corrosion resistance in marine environments. The collar uses a Polyamide "Open, Twist, Slide & Lock" system for quick, secure adjustments while the U-pin interface ensures positive engagement with SDM-compatible booms. Supplied with a standard 4 mm polyester rope, the extension is ready to rig and withstands repeated use in demanding conditions. Built for durability and easy handling, this extension improves rig stability and control, making sail trim more consistent across varied wind conditions. Ideal for sailors who need a dependable, serviceable extension that balances toughness and low weight.

Key Features:

• Polyamide reinforced base for higher strength and impact resistance
• Lightweight aluminum tube reduces overall rig weight while maintaining stiffness
• Polyamide "Open, Twist, Slide & Lock" collar for fast, tool-free locking and adjustment
• U-Pin SDM interface for secure compatibility with SDM booms and fittings
• Supplied with 4 mm polyester rope for immediate rigging and backup security
• Corrosion-resistant materials suitable for saltwater use and frequent exposure
• Compact 30 cm length for increased sail control and fine-tuning of mast height
• Heavy-duty construction designed for frequent, demanding use by performance sailors

Specifications:

• Manufacturer: Unifiber
• SKU: SC000100120
• Material: Polyamide base and collar, aluminum tube, 4 mm polyester rope
• Size/Dimensions: 30 cm length (mast extension)
• Weight: Not specified
• Color: Not specified
• Category: Mast Extensions
• Age Group: Adults
• Gender: Unisex

Recommended Use:

This mast extension is ideal for intermediate to advanced and professional windsurfers who need precise sail trim and rugged equipment for frequent use. Best suited for windsurfing disciplines such as freeride, slalom and wave where quick adjustments and reliable locking are essential. Performs well in coastal and open-water conditions, including saltwater environments; designed to withstand strong winds and repeated rigging. For best results pair with SDM-compatible booms, a compatible mast base, and standard rigging lines; the supplied 4 mm polyester rope offers immediate rigging and backup security.