Aluminium Mast Extension SDM V2 U-Pin 30cm Unifiber UF030070040

Aluminium Mast Extension SDM V2 U-Pin 30cm Unifiber UF030070040

Description:

The Unifiber Aluminium Mast Extension SDM V2 (30 cm) is a high-strength, lightweight extension designed to increase mast length for windsurfing rigs and other sailing setups using SDM fittings. Constructed from tough aluminium tube and a superior-quality, reinforced nylon base, this updated version improves load distribution and makes downhauling noticeably easier. The unit features a rugged double-pin adjustment collar with a secure U-pin system for fast, positive height changes and reliable locking under load. Precision manufacturing and durable materials deliver consistent performance, reduced flex and long-term resistance to saltwater corrosion. Ergonomic design and smooth adjustment make rig tuning faster and more accurate, improving mast rake control and overall sail handling. Compatible with standard SDM rigs and most Unifiber collars, it is ideal for sailors who want a dependable, serviceable extension that stands up to frequent use.

Key Features:

• High-strength aluminium tube for lightweight rigidity and corrosion resistance
• Reinforced superior-quality nylon base for improved durability and easier downhauling
• Rugged double-pin adjustment collar for secure, repeatable height settings
• U-pin locking system provides positive retention under load
• Smooth, precise adjustment to fine-tune mast rake and sail trim quickly
• Designed for frequent use in marine environments; reduced flex versus standard models
• Compact 30 cm length balances sail tuning range with minimal weight addition
• Compatible with SDM (Short Dynamic Mast) fittings and standard Unifiber collars

Specifications:

• Manufacturer: Unifiber
• SKU: UF030070040
• Material: Aluminium tube with reinforced nylon base; metal double-pin/U-pin hardware (stainless steel components)
• Size/Dimensions: 30 cm length (extension)
• Weight: Not specified by manufacturer (lightweight aluminium construction)
• Color: Silver aluminium tube with black nylon base and collar (as supplied)
• Size: 30cm
• Category: Mast Extensions
• Age Group: Adults
• Gender: Unisex

Recommended Use:

Ideal for intermediate to professional windsurfers and sailors who require reliable, adjustable mast extensions for tuning and performance. Best suited to on-water sailing, training sessions, and regattas in coastal and open-water conditions where durable, corrosion-resistant gear is needed. Pair with an SDM mast and compatible Unifiber collars; use alongside regular rig maintenance and stainless hardware for maximum lifespan and safety.